Ukaran Shaman

Roar-If you control a creature with converted mana cost four or more add {r/g}{r/g}{r/g}{r/g} to your mana pool use this mana only to cast beasts.
"Praise the beasts swift and strong.
Praise the old gods who know all wrong.
Praise the Deep where monsters creep.
Praise the one who must stay asleep."
-Ukaran Chant