Mikh'to, The Sky Pirate

Flying.
Whenever you cast an instant or sorcery, you
may pay {2}. If you do, you may cast a copy of the
spell without paying its mana cost. You may
choose new targets for the copied spell.
{t}, {u}{u}{r}{r}: Create a */3 colorless construct creature token with flying, haste, and "at the beginning of the next end step, sacrifice this
creature." Its power is equal to the number of instants and sorceries in your graveyard