Outrage Shaman 
Creature — Goblin Shaman
Chroma — When this creature enters, it deals damage to target creature equal to the number of red mana symbols in the mana costs of permanents you control.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL