Conqueror's Axe

Whenever equipped creator attacks, put a
conqueror counter on Conqueror's Axe.
Whenever equipped creator activates an ability,
put 2 conqueror counters on Conqueror's Axe.
Equipped Creator gets +X/+X where X is the
number of stacks on Conqueror's Axe
Equip:{p/c}{p/c}{p/c}
Mercy- Any player may sacrifice a non-token
creature to unequip Conqueror's Axe