Dockside Extortionist + Elesh Norn, Mother of Machines + Whitemane Lion

Dockside Extortionist
Elesh Norn, Mother of Machines
Whitemane Lion

Requires
Elesh Norn on the battlefield. All other cards in hand. Opponents control at least three artifacts and/or enchantments. 1r available.
Steps
  1. Cast Dockside Extortionist by paying 1r
  2. Dockside Extortionist enters the battlefield, triggering its ability twice, creating at least six Treasure tokens
  3. Activate four Treasure tokens by tapping and sacrificing them, adding 2rw
  4. Cast Whitemane Lion by paying 1w
  5. Whitemane Lion enters the battlefield, triggering its ability twice, returning itself and Dockside Extortionist from the battlefield to your hand
  6. Repeat
Results
Infinite Treasure tokens. Infinite colored mana. Infinite ETB. Infinite LTB. Infinite storm count.