Oath of Teferi [Dominaria Promos] Bear Activate this ability only if

Activate this ability only if you control six or more artifacts

Gleemax's blatant disregard for flavor text

) Sacrifice Xiahou Dun

and "this turn" and "until end of turn" effects end

Oath of Teferi [Dominaria Promos] Bear Activate this ability only ifSet: Dominaria Promos Type: Legendary Enchantment 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."