Sheoldred, Whispering One [New Phyrexia Prerelease Promos] Fish sacrifice it unless you sacrifice

sacrifice it unless you sacrifice two Swamps

Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking

Set: Fifth Dawn Type: Artifact Creature — Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat

Set: Tenth Edition Type: Creature — Spirit Rarity: Rare Cost: {3}{G}{G} Untap all permanents you control during each other player's untap step

"Though tempered differently

Sheoldred, Whispering One [New Phyrexia Prerelease Promos] Fish sacrifice it unless you sacrificeSet: New Phyrexia Prerelease Promos 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.