Apocalypse Demon [Hour of Devastation Prerelease Promos] Wolf Horror You can only use each

You can only use each effect of "Vampire Retainer" once per turn

return it to the battlefield under your control and put a death counter on it

Set: Premium Gold: Infinite Gold Card type: Xyz/Effect Monster Rarity: Gold Secret Rare Attack: 0 Defense: 0 2 Level 10 monsters All monsters you control gain ATK and DEF equal to the difference between your LP and your opponent's

add a lore counter

Special Summon that monster to your field

Apocalypse Demon [Hour of Devastation Prerelease Promos] Wolf Horror You can only use eachSet: 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.