Leatherhead, Swamp Stalker is a rare Legendary Creature — Crocodile Mutant Rogue card from Teenage Mutant Ninja Turtles (TMT), collector number 272. Current market price: $1.46 (foil $2.14), TCGplayer market prices via Scryfall.
Trample Leatherhead enters with a hexproof counter on her. Whenever Leatherhead deals combat damage to a player, you may remove a counter from her. When you do, destroy target artifact or enchantment that player controls.