Teferi's Protection [Mystery Booster] Historic whenever a creature an opponent

whenever a creature an opponent controls blocks

then repeats this process until a creature card or X cards have been put into their graveyard this way

Even as humans regained the upper hand

it is wise and subtle—and cruel and reckless as the spring itself

Counter target noncreature spell

Teferi's Protection [Mystery Booster] Historic whenever a creature an opponentSet: Mystery Booster Type: Instant Rarity: Rare Cost: {2}{W} Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.