Tanjiro, Demon Slayer

Whenever Tanjiro, Demon Slayer attacks, if it's
equipped, choose one —
• Tanjiro deals damage equal to the highest 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 highest mana value among Equipment
attached to Tajiro without paying its mana cost.