Ban'yu Jo, God of Honor

Flying, Indestructible
Ban'yu can't attack unless you lost life this turn.
Ban'yu's power is equal to the amount of
mana spent to cast it. It enters the battlefield with
X knowledge counters.
{t} Deal X damage to any target, or create X 1/1
red Iguana creature tokens or you draw X cards
and lose X life, where X is the number of
knowledge counters on Ban'yu.