Ink-Eyes, Rogue Nezumi

+2: Until end of turn, black creatures you control have ninjitsu. The ninjitsu cost is equal to that creature's mana cost.
-3: Look at target opponent's hand and choose a nonland permanent card from it. That player discards that card.
-X: Put target creature card with converted mana cost X from an opponent's graveyard onto the battlefield under your control. It's indestructible.