Odric, the Moonwalker

Odric, the Moonwalker enters the battlefield tapped unless you control twelve or more lands.
At the beginning of each player's precombat main phase, that player sacrifices a creature. Each creature that player controls has +X/+X, where X is the sacrificed creature's power, and gains all abilities of that creature until end of turn.
{w}{b}: Destroy target creature with the same name as another creature on the battlefield.