Arcane Adaptation [Ixalan Prerelease Promos] Golem these devices doubled the output

these devices doubled the output of Amrit Vatyam's forges

Premium creatures get +1/+1

then reveal cards from the top of your library until you reveal a card with art by the chosen artist

{T}: Add {R}

When Corrosion leaves the battlefield

Arcane Adaptation [Ixalan Prerelease Promos] Golem these devices doubled the outputSet: Ixalan Prerelease Promos Type: Enchantment Rarity: Rare Cost: {2}{U} As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.