the front side of Romana II
the back of a classic MtG card
the front side of There and Back Again
the back of a classic MtG card
the front side of Umbral Mantle
the back of a classic MtG card

Color Identity: R, W

Initial Card State

  1.  All permanents on the battlefield.

Easy Prerequisites

  1. Umbral Mantle attached to Romana II.

Notable Prerequisites

  1. Romana II does not have summoning sickness.
  2. There and Back Again has exactly two lore counters on it.

Mana Needed

  1. one generic mana available.

Steps

  1. At the beginning of your precombat main phase, There and Back Again triggers, putting a lore counter on it.
  2. There and Back Again's third chapter ability triggers, creating a legendary 6/6 Smaug creature token and causing you to sacrifice There and Back Again.
  3. Activate Romana II by paying one generic mana and tapping it, creating a token copy of Smaug with haste.
  4. Put either Smaug token into your graveyard due to the legend rule.
  5. When the Smaug token dies, it triggers, creating fourteen Treasure tokens.
  6. Activate three Treasures by tapping and sacrificing them, adding three generic mana.
  7. Activate Romana II by paying three generic mana and untapping it, giving it +2/+2 until end of turn.
  8. Repeat from step 3.

Results

  1. Infinite artifact ETB.
  2. Infinite artifact LTB.
  3. Infinite artifact sacrifice triggers.
  4. Infinite artifact tokens.
  5. Infinite creature LTB.
  6. Infinite creature ETB.
  7. Infinite colored mana.
  8. Infinite death triggers.
  9. Infinite Treasure tokens.
  10. Infinite untap of nontoken creatures you control.
  11. Infinite mana nontoken creatures you control can produce.
  12. Infinite power and toughness for certain creatures.
  13. Infinite untap of creatures you control.
  14. Infinite mana creatures you control can produce.
  15. Infinitely large creature until end of turn.

Variants of this combo

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