+Breakthrough (3)
Draw four cards, then choose X cards in your hand and discard the rest.
Flying
Whenever you cast a spell, your opponents can't cast spells with the same mana value as that spell until your next turn.
Target creature gets +2/+0 and gains first strike until end of turn.
Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")
Gatherer works better in the Companion app!
, Sacrifice this artifact: Add one mana of any color.")