Elemental selection

If target player has a green land on the field:they
lose half of there deck and you gain 5 life.If target player has a red land on the field:you get to
choose two cards from your opponents hand:
exile them.If one of them is a creature card,
opponent loses life equal to its power and
toughness combined.If target player has a blue
land on the field: they can’t use spells for 10
turns