Piru, the Volatile 
Legendary Creature — Elder Dragon
Flying, lifelink
At the beginning of your upkeep, sacrifice Piru unless you pay .
When Piru dies, it deals 7 damage to each nonlegendary creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL