Instant, 1R (2)
Common
As an additional cost to cast Sonic Burst, discard a card at random.
Sonic Burst deals 4 damage to target creature or player.
Music scythes the savage beast.
Illus. Brian Snõddy

10/4/2004: You can't discard more than once to target more than one creature (or player) or to do multiple amounts of damage to a single creature (or player).
10/4/2004: You pick the target before you know which card is going to be discarded.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander