Color Identity: B

Prerequisites

  1.  All permanents on the battlefield.

Steps

  1. If
    Crystalline Crawler
    Crystalline Crawler
    has a +1/+1 counter on it, activate its first ability by removing a +1/+1 counter from it, adding one mana of any color.
  2. Repeat step 1 until
    Crystalline Crawler
    Crystalline Crawler
    has no +1/+1 counters on it.
  3. Activate
    Phyrexian Altar
    Phyrexian Altar
    by sacrificing
    Crystalline Crawler
    Crystalline Crawler
    , adding one mana of any color.
  4. Crystalline Crawler
    Crystalline Crawler
    dies, triggering its undying ability, returning it to the battlefield with a +1/+1 counter on it.
  5. Repeat.

Results

  1. Infinite colored mana.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite sacrifice triggers.

Metadata

  1. In 151 decks according to EDHREC.
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