Altar of the Elements

{t}:add {w}{u}{b}{r}{g}. Use this only for casting multicolored creatures and spells.
{w/u}{w}{w}{u}{u}:Sacrifice Altar of the Elements. Exile target creature. You gain 3 life.
{b/g}{b}{b}{g}{g}: Sacrifice Altar of the Elements.
Put 3 +1/+1 counters on target multicolored creature.