Jhen Mohran

You may play an additional land on each of your turns.
Landfall- place a sand counter on target land. All lands
with sand counters on them are deserts.
Whenever an opponent taps a desert for mana,
it deals one damage to them.
Untap all deserts you control at your endstep.
"Once every ten years, there is a festival to
celebrate it's journey."