Ty Lee, Chi Blocker (#371)

Type: Legendary Creature — Human Performer Ally

Text: Flash
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Ty Lee enters, tap up to one target creature. It doesn't untap during its controller's untap step for as long as you control Ty Lee.

Set: Avatar: The Last Airbender (#371)