Necromaster Dragon (Prerelease) [Dragons of Tarkir Prerelease Promos] Demon Dragon return three creatures you control

return three creatures you control to their owner's hand

you may exile any number of tokens created with Tetravus

where X is the number of creature cards in your graveyard

but because you're there

Set: Time Spiral Type: Sorcery Rarity: Uncommon Cost: {B}{B} Each player loses 1 life

Necromaster Dragon (Prerelease) [Dragons of Tarkir Prerelease Promos] Demon Dragon return three creatures you controlSet: Dragons of Tarkir Prerelease Promos Type: Creature Dragon Rarity: Rare Cost: {3}{U}{B} Flying Whenever Necromaster Dragon deals combat damage to a player, you may pay {2}. If you do, create a 2 2 black Zombie creature token and each opponent mills two cards.