Morophon, the Boundless + Phyrexian Altar Combos

7 known combos featuring both cards in Commander

Infinite LTB Infinite ETB Infinite sacrifice triggers Infinite death triggers Infinite storm count

Combo 1 with Havengul Lich

Also requires: Havengul Lich Havengul Lich
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite storm count
Steps
  1. Activate Havengul Lich by paying {1}, allowing you to cast the creature card from your graveyard this turn.
  2. Cast the creature from your graveyard by paying {0} due to Morophon.
  3. Activate Phyrexian Altar by sacrificing the creature cast in step 2, adding {1}.
  4. Repeat.

Combo 2 with Mortus Strider

Also requires: Mortus Strider Mortus Strider
Results: Infinite LTB · Infinite ETB · Infinite sacrifice triggers · Infinite death triggers · Infinite storm count
Show steps
  1. Cast Mortus Strider by paying {1} due to Morophon.
  2. Activate Phyrexian Altar by sacrificing Mortus Strider, adding {1}.
  3. When Mortus Strider dies, it triggers, returning itself from your graveyard to your hand.
  4. Repeat.

Combo 3 with Worldheart Phoenix

Also requires: Worldheart Phoenix Worldheart Phoenix
Results: Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Activate Phyrexian Altar by sacrificing Worldheart Phoenix, adding one mana of any color.
  2. Cast Worldheart Phoenix from your graveyard by paying {0}.
  3. Repeat.

Combo 4 with Fist of Suns + Ebondeath, Dracolich

Results: Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Cast Ebondeath from your graveyard by paying {0}.
  2. Activate Phyrexian Altar by sacrificing Ebondeath, adding one mana of any color.
  3. Repeat.

Combo 5 with Jodah, Archmage Eternal + Ebondeath, Dracolich

Results: Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Cast Ebondeath from your graveyard by paying {0}.
  2. Activate Phyrexian Altar by sacrificing Ebondeath, adding one mana of any color.
  3. Repeat.

Combo 6 with Saffi Eriksdotter + Eternal Witness

Results: Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Activate Saffi by sacrificing it, targeting Eternal Witness.
  2. Activate Phyrexian Altar by sacrificing Eternal Witness, adding one mana of any color.
  3. When Eternal Witness dies, Saffi triggers, returning it from your graveyard to the battlefield.
  4. When Eternal Witness enters the battlefield, it triggers, returning Saffi from your graveyard to your hand.
  5. Cast Saffi by paying {0} due to Morophon.
  6. Repeat.

Combo 7 with Yomiji, Who Bars the Way + The First Sliver

Results: Cast a subset of spells in your library · Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Activate Phyrexian Altar by sacrificing The First Sliver, adding one mana of any color.
  2. Yomiji triggers, returning The First Sliver from your graveyard to your hand.
  3. Cast The First Sliver for {0}.
  4. Resolve the First Sliver's cascade ability.
  5. The First Sliver enters the battlefield.
  6. Repeat.
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