Aylen, Taste for Destruction

Whenever a spell with a converted mana cost of
3 or less is cast, Aylen deals 2 damage to target
permanent or player.
Whenever you cast a spell with a converted mana
cost of 4 or greater, you may destroy target
nonland permanent.
"Grandfather and the other Archmages don't trust me anymore, and I doubt they ever will. I may as well
give them a reason."