Slender, Loss of Flight

Whenever you draw a card put a +1/+1 counter
on target creature. Whenever a +1/+1 counter is
put on a creature create a 2/2 Sand Warrior with Vigilance. Whenever you attack with a creature,
exile target creature and return it to the battlefield. Whenever a creature enters the battlefield you
gain 1 life. When you gain life Exile target
creature. Whenever you Exile a creature you may
play an additional land this turn. Whenever you
play a land target opponent discards a card.