It can be a combo piece for Food Token decks that also thrive on sacrificing creatures, such as a Commander deck for Korvold, Fae-Cursed King, and it's even better if you use it on bigger creatures
Im going to rate them based on the final form without paying much attention to the bases

they're perfect for building decks, playing Limited games with friends, and are tons of fun to open A TURTLE IN EVERY PACKCollect, construct, and combat with an iconic roster of allies and enemies from four decades of time-tested Turtle-mania COWA-BUNDLE!This Bundle includes a special alt-art card and accessories you wont find anywhere else, including a special die to track your life total and sturdy card storage box WELCOME TO THE GATHERINGMagic: The Gathering is a collectible card game that weaves deep strategy, gorgeous art, fantastical stories, and a thriving fan community all together into a card game experience like no other CONTENTS9 Play Boosters, 1 alt-art Traditional Foil card, 5 Traditional Foil and 5 regular Full-Art basic lands, 10 Traditional Foil and 10 regular basic lands, 1 card storage box, oversized Spindown life counter, 2 reference cards This Bundle contains 9 Magic: The Gathering | Teenage Mutant Ninja Turtles Play Boosters, plus 1 Traditional Foil card with Bundle-exclusive alternate-art, 15 Traditional Foil (5 Full-Art) and 15 nonfoil Land cards (5 Full-Art), 1 oversized Spindown life counter, 1 card storage box, and 2 reference cards

Eddie Brock enables some gnarly value, and as small-ball aristocrats along the lines of Shirei, Shizo's Caretaker I could see it working out
It is easy to clean with a damp rag