Color Identity: U, R

Prerequisites

  1.  
    Echo Storm
    Echo Storm     in hand.
  2.  
    Dualcaster Mage
    Dualcaster Mage     and
    Mycosynth Lattice
    Mycosynth Lattice     on the battlefield.
  3. You've cast your commander from the command zone at least once this game.
  4. ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   available.

Steps

  1. Cast
    Echo Storm
    Echo Storm     by paying ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , targeting
    Dualcaster Mage
    Dualcaster Mage    .
  2. Echo Storm
    Echo Storm     triggers, creating a copy of itself, targeting
    Dualcaster Mage
    Dualcaster Mage    .
  3. Resolve the copy of
    Echo Storm
    Echo Storm    , creating a token copy of
    Dualcaster Mage
    Dualcaster Mage    .
  4. When the
    Dualcaster Mage
    Dualcaster Mage     token enters the battlefield, it triggers, creating a copy of
    Echo Storm
    Echo Storm    , targeting
    Dualcaster Mage
    Dualcaster Mage    .
  5. Repeat from step 3.

Results

  1. Infinite creature tokens.
  2. Infinite ETB.
  3. Infinite magecraft triggers.

Metadata

  1. In 2 decks according to EDHREC.
footer