L

+1: Crossfade: Healing mode prevents 1 damage any source would deal to a creature you control. Speed mode gives creatures you control haste.
+3: Boop: Return 2 target creatures to their owner's hand. Gain 20% ultimate charge.
0: Sound Barrier: Creatures you control gain +0/+30, in your upkeep, creatures you control gain -0/-10, until no Sound Barrier shields are over.