Aisha, Void Princess

Hexproof, Reach, Wither (This deals damage to creatures in the form of -1/-1 counters.)
{b}{b}{b}, {t}: Target player reveals his or her hand, you may discard a card from that player's hand.
{b}{b}, {t}: Put a 3/3 black Demon Bat creature with Haste and Flying into play under your control.
"Be twisted in the darkness!"