Thief of Sanity [Streets of New Capenna Commander] OP07-015 where X is the greatest

where X is the greatest amount of damage dealt by a source to a permanent or player this turn

Boast abilities you activate cost {1} less to activate for each Dragon you control

Transmute {1}{B}{B} ({1}{B}{B}

you may sacrifice a token

Once you’ve answered them all

Thief of Sanity [Streets of New Capenna Commander] OP07-015 where X is the greatestSet: Streets of New Capenna Commander Type: Creature Specter Rarity: Rare Cost: {1}{U}{B} Flying Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may look at and cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell.