Teferi, Hero of Dominaria [Secret Lair Drop Series] Human Soldier but if it switches it

but if it switches it won't be able to switch back

Set: Dragons of Tarkir Promos Type: Creature — Dragon Rare Cost: {3}{W}{W} Flying Whenever an opponent casts a spell

Tedious research made the Sages of the College of Lat-Nam adept in repairing broken artifacts

Set: Avacyn Restored Type: Enchantment Rare Cost: {4}{B} Whenever an opponent loses life

Teferi, Hero of Dominaria [Secret Lair Drop Series] Human Soldier but if it switches itSet: Secret Lair Drop Series Type: Legendary Planeswalker Teferi Rarity: Mythic Cost: {3}{W}{U} +1: Draw a card. At the beginning of the next end step, untap up to two lands. 3: Put target nonland permanent into its owner's library third from the top. 8: You get an emblem with "Whenever you draw a card, exile target permanent an opponent controls."