Oath of Teferi [Dominaria Prerelease Promos] Kaladesh Prerelease Promos Spend this mana only to

Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi

look at the top card of your library

or planeswalker

and the carpet carried her high out of our reach

"The partisans have unearthed a strange artifact

Oath of Teferi [Dominaria Prerelease Promos] Kaladesh Prerelease Promos Spend this mana only toSet: 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."