Instant, 3W (4)
Common
Tap target untapped creature you control. If you do, it deals damage equal to its power to target attacking or blocking creature an opponent controls.
Flashback—{1}{W}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Illus. rk post

10/4/2004: If either target is illegal when the spell resolves, it will do no damage.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander