Sheoldred, Whispering One — New Phyrexia #73
Sheoldred, la Susurradora (Sheoldred, Whispering One)
Legendary Creature — Phyrexian Praetor
New Phyrexia· NPH#73MythicSpanish
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 of their choice.
Other prints
Legality
Standard
Alchemy
Pioneer
Historic
Modern
Brawl
Legacy
Timeless
Vintage
Pauper
Commander
Penny
Oathbreaker