Loki

{x}{b}{b}: Create a X/X Loki Decoy Token. Loki Decoy Token cannot attack.
There cannot be more than 1 Loki Decoy Token created per turn. When the Loki Decoy Token is summoned onto the battlefield, all token creatures you dont control attacks Loki Decoy Token. At the end of the turn, exile the Loki Decoy Token.
{x}{x}{b}{t}: Loki deals X damage to target creature. If target creature dies, put a +1/+1 counter on Loki.