Tremor, Elemental Enforcer

Commander ninjutsu {1}{r}{g}

Trample

Whenever this creature deals combat damage to a player, you may sacrifice a land. If you do, put two +1/+1 counters on this creature. Tremor deals damage equal to its power to target creature you don't control.

Landfall — Whenever a land you control enters, Tremor deals 2 damage to each opponent.