Orvar, the All-Form | Sakashima of a Thousand Faces | Whim of Volrath

Cards

Whim of Volrath in hand.
Orvar and
Sakashima of a Thousand Faces on the battlefield (
Sakashima of a Thousand Faces as a copy of
Orvar).

Cast
Whim of Volrath with buyback by paying ({2} magic symbol) ({U} magic symbol) , targeting
Sakashima of a Thousand Faces.
Orvar triggers, creating a token copy of
Sakashima of a Thousand Faces that enters the battlefield as a token copy of
Orvar.
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 Island that enters the battlefield untapped.
Orvar,
Sakashima of a Thousand Faces and the
Sakashima of a Thousand Faces token trigger, creating three token copies of the Island.
Resolve
Whim of Volrath, returning it to your hand.
Activate the Island tokens by tapping them, adding ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Repeat from step 4.
Optionally, you may repeat steps 1 through 3 one additional time to get infinite untapped Island tokens and blue mana.
If you choose to get infinite mana, you can then target any permanent using
Whim of Volrath to get infinite tokens of them.