Color Identity: U

Prerequisites

  1.  All permanents on the battlefield.
  2. You control at least two additional artifacts.
  3. ({2} magic symbol)   available.

Steps

  1. At the beginning of your upkeep,
    Karn, Legacy Reforged
    Karn     triggers.
  2. Holding priority, activate
    Strionic Resonator
    Strionic Resonator     by paying ({2} magic symbol)   and tapping it, copying
    Karn, Legacy Reforged
    Karn    's ability.
  3. Resolve the copy of
    Karn, Legacy Reforged
    Karn    's ability, adding ({C} magic symbol)   for each artifact you control that cannot be spent to cast nonartifact spells.
  4. Activate
    Filigree Sages
    Filigree Sages     by paying ({3} magic symbol)  , untapping
    Strionic Resonator
    Strionic Resonator    .
  5. Repeat from step 2.

Results

  1. Infinite colorless mana that cannot be spent to cast nonartifact spells.
  2. Infinite colored mana.
  3. Infinite mana permanents you control can produce.
  4. Infinite untap of permanents you control.

Metadata

  1. In 2 decks according to EDHREC.
footer