Shu Yun, the Silent Tempest
Legendary Creature — Human Monk, {2}{U}
Oracle Text
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may pay {R/W}{R/W}. If you do, target creature gains double strike until end of turn.