Bill Cipher

Ascend - As long as you control ten or more permanents, Bill Cipher has hexproof. When Bill enters, target opponent chooses a creature. That creature gets a confusion counter counter. {T},{2}{U}{U}{R}{R}: Gain control of all creatures with a confusion counter until end of turn. They gain haste. {T},{Ur}{Ur}: Blink. When Bill dies, remove all confusion counters.