Vasaati, Crystal Apprentice

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn)
Whenever you cast a noncreature spell, choose
one of the following.
{u}: Draw a card
{1}{w}{u}: Target creature gains hexproof until end
of turn
{t}{w}{u}{r}: Detain target creature (Until your next
turn, target creature can't attack or block, and its activated abilities can't be activated)