Oath of Teferi [Dominaria Prerelease Promos] HER024 ) {T}: Add three mana

) {T}: Add three mana of any one color

{9}: Untap Colossus of Sardia

or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent

and "If Hurricane Technique hits

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {W} You gain 2 life for each creature you control

Oath of Teferi [Dominaria Prerelease Promos] HER024 ) {T}: Add three manaSet: 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."