Phyrexian Altar + Su-Chi Cave Guard Combos

13 known combos featuring both cards in Commander

Infinite death triggers Infinite ETB Infinite LTB Infinite sacrifice triggers Infinite colorless mana

Combo 1 with Nim Deathmantle

Also requires: Nim Deathmantle Nim Deathmantle
Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it and Nim Deathmantle triggers.
  3. Resolve the Su-Chi Cave Guard trigger, adding eight {C}.
  4. Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Su-Chi Cave Guard from your graveyard to the battlefield, and attach Nim Deathmantle to it.
  5. Repeat.

Combo 2 with Cogwork Assembler

Also requires: Cogwork Assembler Cogwork Assembler
Results: Infinite colored mana · Infinite colorless mana · Infinite copies of artifacts you control · Infinite creature tokens · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Cogwork Assembler by paying {7}, creating a token copy of Su-Chi Cave Guard with haste.
  2. Activate Phyrexian Altar by sacrificing the Su-Chi Cave Guard token, adding one mana of any color.
  3. Su-Chi Cave Guard dies, adding eight {C}.
  4. Repeat.
  5. Once you have infinite mana, you may repeat step 1 any number of times.

Combo 3 with Kenrith, the Returned King

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding {B}.
  2. When Su-Chi Cave Guard dies, it triggers, adding eight {C}.
  3. Activate Kenrith's fifth ability by paying {4}{B}, returning Su-Chi Cave Guard from your graveyard to the battlefield.
  4. Repeat.

Combo 4 with Feldon of the Third Path + Thornbite Staff

Results: Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Feldon of the Third Path by paying {2}{R} and tapping it, creating a token copy of Su-Chi Cave Guard with haste.
  2. Activate Phyrexian Altar by sacrificing the Su-Chi Cave Guard token, adding {R}.
  3. When the Su-Chi Cave Guard token dies, it and Feldon of the Third Path trigger.
  4. Resolve the Feldon of the Third Path trigger, untapping it.
  5. Resolve the Su-Chi Cave Guard trigger, adding eight {C}.
  6. Repeat.

Combo 5 with Chrome Dome

Also requires: Chrome Dome Chrome Dome
Results: Infinite ETB · Infinite LTB · Infinite colored mana · Infinite colorless mana · Infinite copies of artifacts you control with haste · Infinite creature tokens with haste · Infinite death triggers · Infinite sacrifice triggers
Show steps
  1. Activate Chrome Dome by paying {5}, creating a token copy of Su-Chi Cave Guard with haste.
  2. Activate Phyrexian Altar by sacrificing the Su-Chi Cave Guard token.
  3. When the Su-Chi Cave Guard token dies, it triggers, adding eight {C}.
  4. Repeat.

Combo 6 with Enduring Renewal

Also requires: Enduring Renewal Enduring Renewal
Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite storm count
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it and Enduring Renewal trigger.
  3. Resolve the Su-Chi Cave Guard trigger, adding eight {C}.
  4. Resolve the Enduring Renewal trigger, returning Su-Chi Cave Guard from your graveyard to your hand.
  5. Cast Su-Chi Cave Guard by paying {8}.
  6. Repeat.

Combo 7 with Prototype Portal + Dross Scorpion

Results: Infinite LTB · Infinite ETB · Infinite colored mana · Infinite sacrifice triggers · Infinite death triggers
Show steps
  1. Activate Prototype Portal by paying {8} and tapping it, creating a token copy of Su-Chi Cave Guard.
  2. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  3. When Su-Chi Cave Guard dies, it and Dross Scorpion trigger.
  4. Resolve the Su-Chi Cave Guard trigger, adding eight {C}.
  5. Resolve the Dross Scorpion trigger, untapping Prototype Portal.
  6. Repeat.

Combo 8 with Orthion, Hero of Lavabrink + Umbral Mantle

Results: Infinite colored mana · Infinite colorless mana · Infinite copies of creatures you control with haste · Infinite creature tokens with haste · Infinite death triggers · Infinite ETB · Infinite LTB · Infinitely large creature until end of turn · Infinite sacrifice triggers · Infinite untap of creatures you control
Show steps
  1. Activate Orthion's first ability by paying {1}{R} and tapping it, creating a token copy of Su-Chi Cave Guard with haste.
  2. Activate Phyrexian Altar by sacrificing the Su-Chi Cave Guard token, adding {R}.
  3. When the Su-Chi Cave Guard token dies, it triggers, adding eight {C}.
  4. Activate Orthion by paying {3} and untapping it, giving it +2/+2 until end of turn.
  5. Repeat.
  6. Optionally, if you have an additional {R}{R} available, you may use Orthion's second ability once you have a large amount of {C} to get infinite {R}, which can then be used to activate Orthion infinitely targeting any other creature(s).

Combo 9 with Orthion, Hero of Lavabrink + Sword of the Paruns

Results: Infinite colored mana · Infinite colorless mana · Infinite copies of creatures you control with haste · Infinite creature tokens with haste · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite untap of creatures you control
Show steps
  1. Activate Orthion's first ability by paying {1}{R} and tapping it, creating a token copy of Su-Chi Cave Guard with haste.
  2. Activate Phyrexian Altar by sacrificing the Su-Chi Cave Guard token, adding {R}.
  3. When the Su-Chi Cave Guard token dies, it triggers, adding eight {C}.
  4. Activate Sword of the Paruns by paying {3}, untapping Orthion.
  5. Repeat.
  6. Optionally, if you have an additional {R}{R} available, you may use Orthion's second ability once you have a large amount of {C} to get infinite {R}, which can then be used to activate Orthion infinitely targeting any other creature(s).

Combo 10 with Grenzo, Dungeon Warden + Epitaph Golem

Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it triggers, adding eight {C}.
  3. Activate Epitaph Golem by paying {2}, putting Su-Chi Cave Guard on the bottom of your library from your graveyard.
  4. Activate Grenzo by paying {2}, putting Su-Chi Cave Guard into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  5. Repeat.

Combo 11 with Scarecrone + Voltaic Construct

Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers · Infinite untap of artifact creatures you control
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it triggers, adding eight {C}.
  3. Activate Scarecrone's second ability by paying {4} and tapping it, returning Su-Chi Cave Guard to the battlefield from your graveyard.
  4. Activate Voltaic Construct by paying {2}, untapping Scarecrone.
  5. Repeat.

Combo 12 with Grenzo, Dungeon Warden + Soldevi Digger

Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it triggers, adding eight {C}.
  3. Activate Soldevi Digger by paying {2}, putting Su-Chi Cave Guard on the bottom of your library from your graveyard.
  4. Activate Grenzo by paying {2}, putting Su-Chi Cave Guard into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  5. Repeat.

Combo 13 with Grenzo, Dungeon Warden + Transplant Theorist

Results: Infinite colored mana · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Phyrexian Altar by sacrificing Su-Chi Cave Guard, adding one mana of any color.
  2. When Su-Chi Cave Guard dies, it triggers, adding eight {C}.
  3. Activate Transplant Theorist by paying {2}, putting Su-Chi Cave Guard on the bottom of your library from your graveyard.
  4. Activate Grenzo by paying {2}, putting Su-Chi Cave Guard into your graveyard from the bottom of your library, and then putting it onto the battlefield.
  5. Repeat.
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