GORE The Planewalker!

+1: Create a 3/2 Lion token with haste and reach. Until end of turn, whenever you tap a Mountain for mana, add an additional {R}.
-3: Until the end of your next turn whenever a creature an opponent controls attacks GORE deals3damage to that creature you may play an addition land
-5: You get an emblem with "All nonbasic lands are mountains addition to their other types Whenever you tap a mountain for mana add 2 additional {R}