Ralen, Paladin of Mekra

-X: Ralen deals X+2 damage to target non-white creature or planeswalker. If this destroys it, put X+1 loyalty counters on Ralen.
-2: Destroy target artifact or enchantment.
-6: You get an emblem with: "Creatures you control get +2/+2 and have double-strike and vigilance as long as you control a legendary permanent."