Shop Greeting Cards at Onderkast Studio

Onderkast Studios Sprinkles and Wrinkles Wavy Die Cut Notecard features colorful sprinkles, playful “bring on the sprinkles AND WRINKLES happy birthday!” text, and comes with a white envelope—perfect for birthday celebrations.

$4.95

Sprinkles and Wrinkles Wavy Die Cut Notecard

Happy Birthday Cake Topper Greeting Card

$4.95

Happy Birthday Cake Topper Greeting Card

The Happy Birthday Sprinkle Cake Greeting Card by Onderkast Studio features a sprinkle cake with two Happy Birthday flags on a decorative stand, set against a light pink background for an elegant touch.

$4.95

Happy Birthday Sprinkle Cake Greeting Card

The Onderkast Studio Getting Old Bingo Greeting Card highlights funny signs of aging, such as joints popping and loud phones, with a Free Happy B-Day! Space at the center.

$4.95

Getting Old Bingo Greeting Card

The Holy Shit You’re Ancient Dinosaur Greeting Card by Onderkast Studio features a cartoon dinosaur in party gear with the text holy shit YOURE ANCIENT—a funny milestone birthday card for anyone with a sense of humor!.

$4.95

Holy Shit You’re Ancient Dinosaur Greeting Card

Welcome to Your New Home Door Greeting Card

$4.95

Welcome to Your New Home Door Greeting Card

Make a Wish Birthday Candles Greeting Card

$4.95

Make a Wish Birthday Candles Greeting Card

$4.95

Hooray! Confetti Popper Greeting Card

The Onderkast Studio “Congrats on Your Happily Ever After Floral Greeting Card” features a floral design and celebratory message—perfect for weddings—and comes displayed atop a white envelope.

$4.95

Congrats on Your Happily Ever After Floral Greeting Card

The Onderkast Studio Happy Birthday Whiskey Bottle Greeting Card features a bottle labeled “Happy Birthday” with phrases like “Old Timer,” “Aged to Perfection,” and “Authentic,” shown resting on a crisp white envelope.

$4.95

Happy Birthday Whiskey Bottle Greeting Card

The Many Thanks Lemon Pattern Greeting Card by Onderkast Studio features illustrated lemon branches, green leaves, small flowers, and “Many thanks” in blue cursive on a white background with blue decorative marks.

$4.95

Many Thanks Lemon Pattern Greeting Card

Onderkast Studios Congrats Wonky Type Greeting Card features CONGRATS! repeated six times in pink, orange, yellow, green, blue, and purple on a crisp white background for a premium touch.

$4.95

Congrats Wonky Type Greeting Card

The Happy Bee-day! Greeting Card by Onderkast Studio features cute bee illustrations and swirly lines around the text on a white background, paired with a matching envelope for a premium touch.

$4.95

Happy Bee-day! Greeting Card

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$4.95

So Storked For You! Greeting Card

The Smack That Ass Piñata Greeting Card by Onderkast Studio features a donkey-shaped piñata with Smack that ASS! And have a SMASHING birthday! on a white background, surrounded by confetti and candies.

$4.95

Smack That Ass Piñata Greeting Card

The Welcome to the World Little One Greeting Card by Onderkast Studio features a vintage airplane flying among clouds with banners reading “Cleared for Landing,” “Welcome to the World, Little One,” and “Wishing you smooth skies ahead!”.

$4.95

Welcome to the World Little One Greeting Card

The Aged to Perfection Wine Greeting Card by Onderkast Studio features a wine glass with a lit candle, confetti accents, and the message: Aged to Perfection! Cheers to you on your birthday!.

$4.95

Aged to Perfection Wine Greeting Card

The Call Me Old Fashioned Cocktail Greeting Card by Onderkast Studio features an Old Fashioned with orange peel and cherries, plus the message: Call me OLD FASHIONED, but birthdays are better with bourbon. Perfect for cocktail lovers.

$4.95

Call Me Old Fashioned Cocktail Greeting Card

The Cool People Make Cool Kids Greeting Card by Onderkast Studio features an illustrated baby onesie with colorful trim, playful geometric shapes, and the phrase Cool people make cool kids—perfect for new parents.

$4.95

Cool People Make Cool Kids Greeting Card

The You’re Hard to Shop For Greeting Card by Onderkast Studio features colorful orange, pink, black, and blue text on a white background—perfect for thoughtful gift-giving.

$4.95

You're Hard to Shop For Greeting Card

Happy Birthday to You Cake + Candles Greeting Card

$4.95

Happy Birthday to You Cake + Candles Greeting Card

The Meowdy Greeting Card by Onderkast Studio features a gray cat in a cowboy hat and red bandana with MEOWDY above. Perfect for cat lovers, this card offers vibrant print quality that highlights every detail.

$4.95

Meowdy Greeting Card

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Onderkast Studios Thank You for Everything Greeting Card features vibrant vertical stripes in pink, orange, blue, and green with bold black text. The card is shown atop a white envelope.

$4.95

Thank You for Everything Greeting Card

The Wishing You a Swift Recovery Greeting Card by Onderkast Studio features vibrant flowers and leaves, with two white banners displaying wishing you a swift recovery in yellow and pink script. Shown atop a white envelope.

$4.95

Wishing You a Swift Recovery Greeting Card

The Hot Diggity Dog Greeting Card by Onderkast Studio shows a cartoon dachshund in a hot dog bun with balloons and a party hat. Premium quality, vibrant HAPPY BIRTHDAY! text—ideal for fun birthday celebrations.

$4.95

Hot Diggity Dog Greeting Card

The Best Wishes Cake Greeting Card by Onderkast Studio features a white frosted cake with flowers and the message “Best Wishes” above and “On this very happy day” below—an ideal wedding or cake-themed greeting card.

$4.95

Best Wishes Cake Greeting Card

The Long Story Short Dog Birthday Greeting Card by Onderkast Studio features a long brown dachshund in a party hat across two panels with cakes, cupcakes, balloons, and presents. Front reads: Long story short, Happy Birthday!—perfect for dog lovers.

$4.95

Long Story Short Dog Birthday Greeting Card

Yay You Made a Tiny Human Baby Rattles Greeting Card

$4.95

Yay You Made a Tiny Human Baby Rattles Greeting Card

The About Damn Time Wedding Cake Greeting Card by Onderkast Studio features a decorated cake with flowers and a bold ABOUT damn TIME banner on a light background for a premium wedding greeting.

$4.95

About Damn Time Wedding Cake Greeting Card

Happy Happy Birthday! Cupcake Stand Greeting Card

$4.95

Happy Happy Birthday! Cupcake Stand Greeting Card

$4.95

Get Well Soon Balloons Greeting Card

$4.95

Congrats Graduation Caps Greeting Card

$4.95

Congrats! Teddy Bear Greeting Card

The Thanks Wavy Die Cut Notecard by Onderkast Studio features THANKS! six times in colorful fonts on a cream background with a green border, paired with a white envelope—perfect for stylishly expressing gratitude.

$4.95

Thanks Wavy Die Cut Notecard

The Nothing But Smiles Greeting Card by Onderkast Studio features the message Hoping your birthday brings you nothing but smiles with yellow smiley faces and blue flowers on a beige background—a cheerful card for any celebration.

$4.95

Nothing But Smiles Greeting Card

The Onderkast Studio “Thinking of You Flowers” Greeting Card features a charming floral design with yellow lilies, daisies, and greenery in a blue and white vase. “Thinking of You” is elegantly scripted below the arrangement.

$4.95

Thinking of You Flowers Greeting Card

The Funfetti-filled Birthday Greeting Card by Onderkast Studio features a three-layer funfetti cake with candle, whipped cream, and blue candies, plus Have a Funfetti-Filled Birthday! on a yellow confetti-style background.

$4.95

Funfetti-filled Birthday Greeting Card

The Happy Birthday Dalmatian Greeting Card by Onderkast Studio features a Dalmatian in a party hat holding a Happy Birthday! balloon, with confetti on a white background. Printed in the USA.

$4.95

Happy Birthday Dalmatian Greeting Card

The Love Ya Mean It Greeting Card by Onderkast Studio features retro-style white and blue text on pink, accented with small stars. A partially visible envelope enhances this charming design’s premium look.

$4.95

Love Ya Mean It Greeting Card

The Older Not Wiser Birthday Greeting Card by Onderkast Studio features bold OLDER? YEAH. WISER? EH. text on mustard yellow, soft pink, and light blue sections—perfect for anyone whos older but not wiser!.

$4.95

Older Not Wiser Birthday Greeting Card

Onderkast Studios Congratulations On Your New Little Stinker Greeting Card features a cute cartoon skunk on a tree stump with flowers and the message: “Congratulations on your new little stinker” on a light beige background.

$4.95

Congratulations On Your New Little Stinker Greeting Card

The Hip Hip Replacement Greeting Card by Onderkast Studio features a cake with candles and sparklers, plus the message When your age exceeds the warranty period, HIP! HIP! Replacement!—a playful pick for aging humor.

$4.95

Hip Hip Replacement Greeting Card

Celebrate academic achievements in style with the Onderkast Studio ConGradulations Greeting Card, featuring colorful letters, a graduation cap on the C, and cheerful yellow stars.

$4.95

ConGradulations Greeting Card

Holy Crap It’s Your Birthday Cat Greeting Card

$4.95

Holy Crap It’s Your Birthday Cat Greeting Card

Celebrate any occasion with the High Freakin’ Five Greeting Card by Onderkast Studio—featuring bold, colorful letters and playful wavy green lines. Printed in the USA, it’s the perfect congrats card for anyone special.

$4.95

High Freakin’ Five Greeting Card

$4.95

Thank You Very Much Greeting Card

Onderkast Studio’s Go Wild Party Animal Frosted Cookies Greeting Card features playful giraffes, elephants, and hippos with polka dots and party hats. Perfect for birthdays, it reads: Go wild, party animal!.

$4.95

Go Wild Party Animal Frosted Cookies Greeting Card

Lost Count Birthday Candles Greeting Card

$4.95

Lost Count Birthday Candles Greeting Card

$4.95

I Still Do Rings Greeting Card

Wishing You a Bloody Good Birthday Greeting Card

$4.95

Wishing You a Bloody Good Birthday Greeting Card

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Happy Hour Birthday Cocktail Greeting Card

$4.95

Happy Hour Birthday Cocktail Greeting Card

The You’ll Always Be My Bestea Greeting Card by Onderkast Studio features a hand holding a tea bag over a floral teacup on a light background, perfect for tea lovers. Comes with a white envelope.

$4.95

You’ll Always Be My Bestea Greeting Card

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$4.95

Congrats! Colorblocks Greeting Card

The I Love You More Than Carbs Greeting Card by Onderkast Studio features charming bread, pastries, and a cute mug illustration on a light background—perfect for carb lovers. Comes with a white envelope.

$4.95

I Love You More Than Carbs Greeting Card

$4.95

A Tale of Two BFFs Greeting Card *

The TS 1989 Wavy Die Cut Notecard by Onderkast Studio features a blonde woman in white sunglasses and a “1989” shirt, surrounded by sparkles and “Party like its” text—a must-have Swiftie charm for your stationery collection!.

$4.95

TS 1989 Wavy Die Cut Notecard

Thinking of You Soft Florals Greeting Card

$4.95

Thinking of You Soft Florals Greeting Card

$4.95

Love & Hugs Floral Greeting Card

The Soak It In Bubble Bath Greeting Card by Onderkast Studio features a relaxing bath scene with a person in a tub, plants, basket, slippers, and bubbles. Perfect for celebrating self-care. Text on card: Today is all about you. Soak it in!.

$4.95

Soak It In Bubble Bath Greeting Card

The Yay Squiggles Greeting Card by Onderkast Studio features “yay!” in cursive, accented by abstract wavy lines in orange, yellow, green, and lavender on a white background. A matching envelope peeks out underneath for a premium feel.

$4.95

Yay Squiggles Greeting Card

The Youre the Shiitake Mushroom Greeting Card by Onderkast Studio features fun mushroom illustrations, playful Youre the Shiitake text, and is printed in the USA.

$4.95

You're the Shiitake Mushroom Greeting Card

The Big Birthday Energy Banner Greeting Card by Onderkast Studio features colorful letters spelling BIG BIRTHDAY ENERGY across three lines, playful confetti shapes in blue, yellow, pink, and orange, and comes with a white envelope.

$4.95

Big Birthday Energy Banner Greeting Card

The Congrats on Your Beautiful New Home Keychain Greeting Card by Onderkast Studio features a hand holding keys with a new home keychain and the message “Congrats on your beautiful new home!” on a soft pink background, with envelope included.

$4.95

Congrats on Your Beautiful New Home Keychain Greeting Card

The Sweet Birthday Wishes Retro Cake Greeting Card by Onderkast Studio features a pink cake with cherries, rainbow details, and “Sweet Birthday Wishes” text. Comes with a white envelope.

$4.95

Sweet Birthday Wishes Retro Cake Greeting Card

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