Teferi's Protection [Mystery Booster] Dark using their libraries as their

using their libraries as their decks

Set: Alpha Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a blue spell

Set: Base Set Shadowless Unlimited Type: Water Rarity: Uncommon Retreat cost: Colorless

discard your hand

Teferi's Protection [Mystery Booster] Dark using their libraries as theirSet: 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.