the front side of Dual Strike
the back of a classic MtG card
the front side of Insidious Will
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Insidious Will in hand.
  2.   Dual Strike in hand or in exile.

Notable Prerequisites

  1. You have a way to cast an additional instant or sorcery, or an opponent is casting one.

Mana Needed

  1. two generic manaone blue manaone blue manaone red mana, plus an additional one red mana if Dual Strike was not foretold, plus enough mana to cast the additional spell if needed available.

Steps

  1. Cast any other instant and/or sorcery spell, or wait for an opponent to cast one.
  2. Holding priority, cast Dual Strike by paying one red manaone red mana, copying the next instant or sorcery spell you cast with mana value four or less.
  3. Cast Insidious Will by paying two generic manaone blue manaone blue mana, targeting the instant or sorcery spell cast in step 1.
  4. Dual Strike triggers, copying Insidious Will, with the copy targeting the original Insidious Will.
  5. Resolve the copy of Insidious Will, copying Insidious Will, with the copy targeting the original Insidious Will.
  6. Repeat step 5.

Results

  1. Infinite magecraft triggers.
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