the front side of Berta, Wise Extrapolator
the back of a classic MtG card
the front side of Intruder Alarm
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  Berta and Intruder Alarm on the battlefield.

Easy Prerequisites

  1. Berta doesn't have summoning sickness.

Steps

  1. Activate Berta by paying ({0} magic symbol)   and tapping it, creating a 0/0 Fractal creature token.
  2. The Fractal enters and dies as a state-based action due to having 0 toughness.
  3. Intruder Alarm triggers, untapping all creatures.
  4. Repeat.

Notes

  1. If you control one or more mana-producing creatures, those creatures can be tapped each loop for mana. That mana can also be paid into Berta's ability so the Fractals don't die.

Results

  1. Infinite creature ETB.
  2. Infinite creature LTB.
  3. Infinite creature tokens.
  4. Infinite death triggers.
  5. Infinite mana creatures you control can produce.
  6. Infinite untap of creatures you control.

Metadata

  1. In 1729 decks according to EDHREC.

Bracket Tag

This combo has been estimated to be Ruthless (Bracket 4+).



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