Minion Reflector | Great Whale | Shrieking Drake

Cards

Minion Reflector on the battlefield.
Great Whale and
Shrieking Drake in hand.
({5} magic symbol) ({U} magic symbol) ({U} magic symbol) , including at least ({4} magic symbol) ({U} magic symbol) ({U} magic symbol) from lands available.

Cast
Great Whale by paying ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Great Whale enters the battlefield, triggering itself and
Minion Reflector.
Resolve
Great Whale's trigger, untapping up to seven lands you control.
Activate those lands by tapping them, adding at least ({4} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Resolve
Minion Reflector's trigger, paying ({2} magic symbol) to create a token copy of
Great Whale.
The
Great Whale token enters the battlefield, triggering itself, untapping up to seven lands you control.
Activate those lands by tapping them, adding at least ({4} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Cast
Shrieking Drake by paying ({U} magic symbol) .
Shrieking Drake enters the battlefield, triggering itself and
Minion Reflector.
Resolve
Shrieking Drake's trigger, returning the nontoken
Great Whale from the battlefield to your hand.
Resolve
Minion Reflector's trigger, paying ({2} magic symbol) to create a token copy of
Shrieking Drake.
The
Shrieking Drake token enters the battlefield, triggering itself, returning the nontoken
Shrieking Drake from the battlefield to your hand.
Repeat.
If your seven lands can produce at least ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) , this combo produces infinite mana.