Avatar Roku, Firebender 112/317 (Avatar: The Last Airbender: Eternal-Legal)

Whenever a player attacks, add six {R}. Until end of combat, you don't lose this mana as steps end. {R}{R}{R}: Target creature gets +3/+0 until end of turn.

NM - $17.60
LP - $14.10
MP - $10.60
HP - $7.10
DMG - $3.60