Oath of Teferi [Dominaria Prerelease Promos] Human Wizard Set: Wizards of the Coast:

Set: Wizards of the Coast: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless

double Okaun's power and toughness until end of turn

Then exile this card

Some might grow the food needed to feed your many subjects

Oath of Teferi [Dominaria Prerelease Promos] Human Wizard Set: Wizards of the Coast:Set: 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."