Zhongis, the God of Erten

Flying, Deathtouch
When Zhongis, the God of Erten enters the battlefield, put a +1/+1 counter on it for each
color of mana spent to cast it.
{b}, remove a +1/+1 counter from Zhongis,
the God of Erten: Cast a spell, ability or counter
target spell unless its controlers pays 3 life