Yumiko Nakamori

Shadow Cast {3}{b}{b} (if you pay the cost, exile
Yumiko Nakamori from your command zone, you
may cast her without paying her mana cost
two turns later)
Flash
First strike, Haste
Each Time Yumiko Nakamori deals combat
damage to a player exile one spell in your
graveyard, You may cast it as though it had flash
on any turn except your own. each time you do
give Yumiko Nakamori -0/-1 counter