Oath of Teferi [Dominaria Prerelease Promos] Aether Revolt Prerelease Promos {T}: Put up to X

{T}: Put up to X +1/+0 counters on Clockwork Avian

If that spell is countered this way

Reverse Type: Legendary Enchantment Whenever an opponent casts their first spell each turn

"To a trained mind

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from green and from blue

Oath of Teferi [Dominaria Prerelease Promos] Aether Revolt Prerelease Promos {T}: Put up to XSet: Dominaria Prerelease Promos Type: Legendary Enchantment Rarity: Rare Cost: {3}{W}{U} When Oath of Teferi enters the battlefield, exile another target permanent you control. Return it to the battlefield under its owner's control at the beginning of the next end step. You may activate the loyalty abilities of planeswalkers you control twice each turn rather than only once. "For the lost and forgotten, I will keep watch."