Whim of Volrath with buyback by paying ({2} magic symbol) ({U} magic symbol) , targeting
Harmonic Prodigy.
Orvar triggers twice and
Harmonic Prodigy triggers once.
Resolve the
Harmonic Prodigy trigger, giving it +1/+1 until end of turn.
Resolve the
Orvar triggers, creating two token copies of
Harmonic Prodigy.
Resolve
Whim of Volrath, returning it to your hand.
Cast
Whim of Volrath with buyback by paying ({2} magic symbol) ({U} magic symbol) , targeting any nonlegendary permanent you control that enters the battlefield untapped and that can tap to produce at least ({U} magic symbol) .
Orvar triggers four times, and each
Harmonic Prodigy triggers three times.
Resolve all
Harmonic Prodigy triggers, giving each
Harmonic Prodigy +3/+3 until end of turn.
Resolve all
Orvar triggers, creating four copies of the mana-producing permanent.
Resolve
Whim of Volrath, returning it to your hand.
Activate three of the copies of the mana-producing permanent by tapping them, adding at least ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .