Kuro, Arcane Sniper

Whenever you cast an instant or sorcery spell, if
Kuro, Arcane Sniper is equipped, you may copy
it. You may choose new targets for the copy.
{u}{b}{r}{t}: Kuro deals X damage to target creature
or player, where X is equal to the number of
instant and sorcery spells in your graveyard.
"After dealing with a few angry mobs, Kuro
learned that their boomsticks are perfect for
channeling arcane energy."