Altar to Zeus

(This card sits in the altar zone and is not a
permanent.)
{2}, {t}, Put an offering counter on Altar: Altar
deals 3 damage to any target.
{3}, {t}, Remove an offering counter from Altar:
Until your next turn, target creature can't attack
or block.
{5}, {t}, Remove three offering counters from
Altar: Put a 10/10 white Zeus creature token with flying onto the battlefield.