Trap Jaw, Wizard of Weapons

Legendary Creature — Human Samurai

Whenever Tetsuo attacks, if it's equipped, choose one — • Tetsuo deals damage equal to the greatest mana value among Equipment attached to it to any target. • You may cast an instant or sorcery spell from your hand with mana value less than or equal to the greatest mana value among Equipment attached to Tetsuo without paying its mana cost.