Erdhani, Mother of Caos

+1: Create a 2/3 black and green beast token.
-2: When target creature enters dies this turn, return it to the battlefield under your control. It is now a beast in addition to its other types.
-6: Erdhani, Mother of Caos becomes a X/X eldrazi horror until end of turn, where X is the number of beasts you control.