Axe of Birak, Fire Storm

Indestructible
Equipped creature gets +6/+6 and Double Strike.
{6}{r}{r},{t}: Deal 8 damage to up to 3 target
creatures.
{6}{w}{w},{t}: Tap up to 3 target creatures, those
creatures don't untap during their controller's
next untap step.
Only activate these two abilities when it's
equipped on a creature.
Equip {6}