Chromatic Orrery + Heliod, the Radiant Dawn // Heliod, the Warped Eclipse Combos

3 known combos featuring both cards in Commander

Infinite card draw Infinite draw triggers Infinite colored mana Infinite colorless mana Infinite storm count

Combo 1 with Drafna, Founder of Lat-Nam

Results: Infinite colored mana · Infinite colorless mana · Infinite card draw · Infinite draw triggers · Infinite storm count
Steps
  1. Activate Chromatic Orrery by tapping it, adding {C}{C}{C}{C}{C}.
  2. Activate Drafna's first ability by paying {2}, returning Chromatic Orrery from the battlefield to your hand.
  3. Cast Chromatic Orrery by paying at most {3}.
  4. Repeat.

Combo 2 with Invasion of Arcavios // Invocation of the Founders + Paradoxical Outcome

Results: Infinite card draw · Infinite draw triggers · Near-infinite storm count · Near-infinite magecraft triggers · Near-infinite colorless mana · Near-infinite colored mana
Show steps
  1. Cast Chromatic Orrery by paying at most {2} due to Heliod.
  2. Activate Chromatic Orrery's first ability by tapping it, adding {C}{C}{C}{C}{C}.
  3. Cast Invasion of Arcavios by paying {2} due to Heliod and Chromatic Orrery.
  4. When Invasion of Arcavios enters the battlefield, it triggers, searching your library or graveyard for Paradoxical Outcome, if needed, and putting it into your hand.
  5. Cast Paradoxical Outcome by paying {1} due to Heliod and Chromatic Orrery, returning Chromatic Orrery and Invasion of Arcavios from the battlefield to your hand.
  6. Repeat.
  7. If opponents have drawn six or more cards this turn, this combo nets near-infinite mana.

Combo 3 with Summon: Esper Valigarmanda + Clockspinning

Results: Infinite card draw · Infinite colored mana · Infinite colorless mana · Infinite draw triggers · Infinite magecraft triggers · Infinite proliferate · Infinite storm count
Show steps
  1. At the beginning of your precombat main phase, Summon: Esper Valigarmanda triggers, putting a lore counter on it and triggering its fourth chapter ability.
  2. Holding priority, cast Clockspinning with buyback by paying {1}, removing a lore counter from Summon: Esper Valigarmanda and returning Clockspinning to your hand.
  3. Resolve the Summon: Esper Valigarmanda ability, adding {R}{R}{R}.
  4. Cast Clockspinning with buyback by paying {1}, putting a lore counter on Summon: Esper Valigarmanda and returning Clockspinning to your hand.
  5. Summon: Esper Valigarmanda's fourth chapter ability triggers.
  6. Repeat from step 2.
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