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.
![Sheoldred, Whispering One [Iconic Masters]](http://tothetablebgc.myshopify.com/cdn/shop/files/bbd672c9-46ae-4d2b-93d9-16271d2f71ff.png?v=1776566837&width=1445)
