How can you create a combo with Marneus Calgar, Mana Echoes?
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[START OF COMBO]This combo can be formed with Marneus Calgar, Mana Echoes

Color identity: WUBR
Mana cost: {6}
Steps:
  1. Activate Marneus Calgar by paying {6}, creating two 2/2 Astartes Warrior creature tokens.
  2. When the Astartes Warriors enter the battlefield, Marneus Calgar triggers and Mana Echoes triggers twice.
  3. Resolve the Marneus Calgar trigger, causing you to draw a card.
  4. Resolve both Mana Echoes triggers, adding {C}{C} for each Astartes Warrior you control.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite draw triggers
  - Near-infinite colorless mana
  - Near-infinite creature tokens
  - Near-infinite enters the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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