Color Identity: U, B, R

Prerequisites

  1.  
    Mairsil, the Pretender
    Mairsil
    on the battlefield.
  2.  All other permanents in exile.
  3. Mairsil, the Pretender
    Mairsil
    does not have summoning sickness.
  4. Your devotion to blue is at least three.

Steps

  1. Activate
    Mairsil, the Pretender
    Mairsil
    using
    Nyx Lotus
    Nyx Lotus
    ' ability by tapping it, adding at least ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  .
  2. Activate
    Mairsil, the Pretender
    Mairsil
    using
    Horseshoe Crab
    Horseshoe Crab
    's ability by paying ({U} magic symbol)  , untapping it.
  3. Activate
    Mairsil, the Pretender
    Mairsil
    using
    Quicksilver Elemental
    Quicksilver Elemental
    's ability by paying ({U} magic symbol)  , causing it to gain all activated abilities of itself until end of turn.
  4. Repeat.

Results

  1. Infinite mana among colors with which you have devotion.

Metadata

  1. In 5 decks according to EDHREC.
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