Sonic Burst 
Instant
As an additional cost to cast this spell, discard a card at random. Sonic Burst deals 4 damage to any target.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Instant
As an additional cost to cast this spell, discard a card at random. Sonic Burst deals 4 damage to any target.