Naginata, God of the Void

Flying, Indestructible
When Naginata, God of the Void enters the battlefield, search your library and/or graveyard for a card named Voidcutter.
Naginata, God of the Void can't attack or block unless a creature you control died this turn.
{2}{b}: Sacrifice a creature you control with power equal to or more than 2, exile target creature.