Hennerson, Mortal Warrior

Reach
If Hennerson, Mortal Incarnation were to damage a player or planewalker, you may pay {x}{r}. If you do, search your library for a red instant with a converted mana cost equal to or less than X and cast it without paying it's mana cost. Then, shuffle your library.
"I will cleanse you of your sins, by cleansing the world of you"