Color Identity: U, R

Prerequisites

  1.  
    Toils of Night and Day
    Toils of Night and Day     in hand.
  2.  
    Dual Casting
    Dual Casting     and
    Twinning Staff
    Twinning Staff     on the battlefield.
  3. Dual Casting
    Dual Casting     attached to any creature you control without summoning sickness.
  4. A permanent that can tap for ({R} magic symbol)  .
  5. ({2} magic symbol)  ({U} magic symbol)  ({R} magic symbol)   available.

Steps

  1. Cast
    Toils of Night and Day
    Toils of Night and Day     with any targets.
  2. Pay ({R} magic symbol)   and tap the creature enchanted with
    Dual Casting
    Dual Casting     to copy
    Toils of Night and Day
    Toils of Night and Day    , targeting the creature enchanted with
    Dual Casting
    Dual Casting     and a permanent that can tap for ({R} magic symbol)  .
  3. Twinning Staff
    Twinning Staff     triggers, creating a copy of
    Toils of Night and Day
    Toils of Night and Day    .
  4. The copy targets at least the permanent.
  5. Allow the first copy of
    Toils of Night and Day
    Toils of Night and Day     to resolve.
  6. Tap the permanent for ({R} magic symbol)  .
  7. Repeat steps 2-6.

Results

  1. Infinite colored mana.
  2. Infinite untap.

Metadata

  1. In 75 decks according to EDHREC.
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