Sheoldred, Whispering One (Serialized) [Multiverse Legends]

Set: Multiverse Legends Type: Legendary Creature — Phyrexian Praetor Rarity: Mythic Cost: {5}{B}{B} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.At the beginning of each opponent's upkeep, that player sacrifices a creature.