Thief of Burning Thoughts

Substantiate —Whenever Thief of Burning Thoughts becomes tapped, if it's not attacking, it deals 2 damage to each opponent.
{3}{b}, {t}, Discard a card: Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles their library. Activate this ability only any time you could