Angel's Grace [Time Spiral] Rivals of Ixalan Prerelease Promos these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

remove a time counter

Set: Beta Edition Type: Creature — Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying

Set: Amonkhet Prerelease Promos Type: Sorcery Rarity: Rare Cost: {2}{G} Search your library for up to X basic land cards

Angel's Grace [Time Spiral] Rivals of Ixalan Prerelease Promos these devices doubled the outputSet: Time Spiral Type: Instant Rarity: Rare Cost: {W} Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.