Color Identity: G, U, R

Prerequisites

  1.  
    Crystalline Crawler
    Crystalline Crawler     in exile (exiled by
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron    ).
  2.  All other permanents on the battlefield.
  3. You control at least five Merfolk.
  4. You have a nonland card on top of your library.

Steps

  1. At the beginning of your combat phase,
    Hakbal of the Surging Soul
    Hakbal of the Surging Soul    's first ability triggers, causing you to reveal the top card of your library, put a +1/+1 counter on each Merfolk you control and putting the card back on top of your library.
  2. Move to your postcombat main phase.
  3. Activate five Merfolk you control using
    Crystalline Crawler
    Crystalline Crawler    's first ability by removing a +1/+1 counter from each of them, adding ({3} magic symbol)  ({R} magic symbol)  ({R} magic symbol)  .
  4. Activate
    Aggravated Assault
    Aggravated Assault     by paying ({3} magic symbol)  ({R} magic symbol)  ({R} magic symbol)  , causing you to untap all creatures you control and to get an additional combat phase after this one.
  5. Repeat.
  6. If you control six or more Merfolk, this combo nets infinite colored mana and +1/+1 counters on Merfolk you control.

Results

  1. Infinite +1/+1 counters on each Merfolk you control.
  2. Infinite colored mana.
  3. Infinite combat phases.
  4. Infinite mana creatures you control can produce.
  5. Infinite untap of creatures you control.

Metadata

  1. In 0 decks according to EDHREC.
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