Bronze Bombshell 
Artifact Creature — Construct
When a player other than this creature's owner controls it, that player sacrifices it. If the player does, this creature deals 7 damage to the player.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL