Crystal, Keeper of Elements

At the beginning of your upkeep choose a color.
Only cast spells of the chosen color
-When you cast a red spell deal 4 damage to any
target
-When you cast a blue spell draw a card
-When you cast a black spell each opponent
sacrafices a creature and you loose 3
{dash}When you cast a white spell create 2 3/3 soldiers
{dash}When you cast a green spell play an additional
land