Urzeich, Heart of Keru

Eternal (You may cast this card for {b/r}{u/b}{u/r} if
each opponent has four or more cards in hand)
Whenever an opponent casts a spell, for each color
of mana spent to cast that spell, choose one.
•Add two mana of any color.
•Gain five life.
•Create a 5/1 green Furious Avatar creature token.
{bull}Deal three damage to target opponent.
{bull}Draw two cards.