Pyroclastic Eidolon

Reach, trample, haste
Whenever Pyroclastic Eidolon deals damage to a creature, tap that creature. That creature doesn't
untap during its controller's next untap step.
{t}, Exile Pyroclastic Eidolon: Pyroclastic Eidolon
deals damage equal its power to each creature.
{p/r}, Sacrifice a Mountain: Put a +1/+1
counter on Pyroclastic Eidolon.