Apocalypse Demon (Prerelease) [Hour of Devastation Prerelease Promos] Merfolk Wizard Ally return that card to the

return that card to the battlefield under your control if it's a Samurai card

if you have seven or more cards in hand

each blocked creature is sacrificed by its controller

sacrifice Razormane Masticore unless you discard a card

my playground

Apocalypse Demon (Prerelease) [Hour of Devastation Prerelease Promos] Merfolk Wizard Ally return that card to theSet: Hour of Devastation Prerelease Promos Type: Creature Demon Rarity: Rare Cost: {4}{B}{B} Flying Apocalypse Demon's power and toughness are each equal to the number of cards in your graveyard. At the beginning of your upkeep, tap Apocalypse Demon unless you sacrifice another creature.