Unified Charm

Choose one:
• Untap up to X target lands you control.
Until end of turn, they become 2/2 Elemental
creatures with indestructible. They're still lands.
• Exile any number of tapped creatures with total
mana value X or less. For each creature exiled this
way, its controller gains life equal to its toughness.
• Put X +1/+1 counters on target creature.
You gain X life.