Krang & Shredder is a rare Legendary Creature — Utrom Human Ninja card from Teenage Mutant Ninja Turtles (TMT), collector number 201. Current market price: $2.68 (foil $3.44), TCGplayer market prices via Scryfall.
Whenever Krang & Shredder enter or attack, each opponent exiles cards from the top of their library until they exile a nonland card. Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, you may cast a card exiled with Krang & Shredder without paying its mana cost.