Harahon, Ape of Calamity

As an additional cost to Harahon, Ape of
Calamity, you may discard any number of land
cards. This spell costs {1} less for each card
discarded this way
Trample, Reach
When Harahon, Ape of Calamity enters the battlefield, you may have it deal damage to target creature or planewalker equal to twice
the amount of lands discarded this turn.