the front side of Dockside Extortionist
the back of a classic MtG card
the front side of Dualcaster Mage
the back of a classic MtG card
the front side of Step Through
the back of a classic MtG card
the front side of Leyline of Anticipation
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Leyline of Anticipation on the battlefield.
  2.  All other permanents in hand.

Notable Prerequisites

  1. Opponents control at least six artifacts and/or enchantments.
  2. There is at least one other creature on the battlefield.

Mana Needed

  1. ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({R} magic symbol)   available.

Steps

  1. Cast Dockside Extortionist by paying ({1} magic symbol)  ({R} magic symbol)  .
  2. When Dockside Extortionist enters the battlefield, it triggers, creating at least six Treasure tokens.
  3. Activate five Treasure tokens by tapping and sacrificing them, adding ({2} magic symbol)  ({R} magic symbol)  ({R} magic symbol)  ({R} magic symbol)  .
  4. Cast Step Through by paying ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , targeting any two creatures.
  5. Holding priority, cast Dualcaster Mage by paying ({1} magic symbol)  ({R} magic symbol)  ({R} magic symbol)  .
  6. When Dualcaster Mage enters the battlefield, it triggers, copying Step Through, targeting Dockside Extortionist and Dualcaster Mage.
  7. Resolve the copy of Step Through, returning Dockside Extortionist and Dualcaster Mage from the battlefield to your hand.
  8. Repeat steps 1-3 one additional time.
  9. Repeat from step 5.

Results

  1. Infinite colored mana.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite magecraft triggers.
  5. Infinite storm count.
  6. Infinite Treasure tokens.

Metadata

  1. In 14 decks according to EDHREC.
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