Stavro, Beacon of Death

Beckoning (When this creature comes into play,
return up to X nonland permanent cards from either
player's graveyard to the battlefield under your control,
where X is the number of cards in your hand. You lose
life equal to X. At the beginning of the nest end step,
sacrifice a number of nonland permanents equal to X.)
Whenever another creature with Beckoning
enters the battlefield under your control,
surveil 2.