Yama, Shaper of Souls

Flying, deathtouch, haste.
When Yama, Shaper of Souls attacks, all
permanents you control gain indestructible
until the end of turn.
At the beginning of each end step, you may
sacrifice Yama, Shaper of Souls. If you do,
return all creature cards that were put into any
graveyard this turn to the battlefield under
your control.