Rakdos, Herald of Revolts

Flying, Trample
At the end of your turn, reveal Rakdos, Herald of Revolts from your hand. Then Rakdos deal 3
damage to all non-Demon creatures you control.
When Rakdos enters the battlefield, it deals
6 damage to all creatures.
When Rakdos attacks, target oponent sacrifies 3 permanents.
{b}{b}{b}{r}{r}{r}: Return Rakdos from the
graveyard to your hand.