Quilby, the Witch King

: When you play a Wizard creature, change it's creature type to Witch and put a loyalty counter on Quilby, the Witch King.
-2: Witch creatures you control gain +X/+X until end of turn, where X is the number of Witch creatures you control.
: Quilby, the Witch King can be your commander. When you declare attackers, treat Quibly as a 4/3 Witch with Haste. He is still a Planeswalker.