Luminous Broodmoth + Felidar Guardian + Gravity Sphere + Ashnod's Altar

Luminous Broodmoth
Felidar Guardian
Gravity Sphere
Ashnod's Altar

Requires
Luminous Broodmoth must be on the battlefield. Felidar Guardian must be on the battlefield. Gravity Sphere must be on the battlefield. Ashnod's Altar must be on the battlefield.
Steps
  1. Sacrifice Felidar Guardian to Ashnod's Altar to add .
  2. Luminous Broodmoth triggers, returning Felidar Guardian to the battlefield with a flying counter on it.
  3. Felidar Guardian's ETB triggers, exiling Mystic Decree and then returning it to the battlefield.
  4. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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Instants
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