Corridor Monitor + Ridgescale Tusker Combos

3 known combos featuring both cards in Commander

Infinite +1/+1 counters on most creatures you control Infinite death triggers Infinite ETB Infinite LTB Infinite sacrifice triggers

Combo 1 with Cauldron of Souls + Ashnod's Altar

Also requires: Cauldron of Souls Cauldron of Souls Ashnod's Altar Ashnod's Altar
Results: Infinite +1/+1 counters on most creatures you control · Infinite colorless mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Steps
  1. Activate Cauldron of Souls by tapping it, giving Ridgescale Tusker and Corridor Monitor persist until end of turn.
  2. Activate Ashnod's Altar by sacrificing Corridor Monitor, adding {C}{C}.
  3. Corridor Monitor dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  4. Corridor Monitor enters the battlefield, untapping Cauldron of Souls.
  5. Activate Ashnod's Altar by sacrificing Ridgescale Tusker, adding {C}{C}.
  6. Ridgescale Tusker dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  7. Ridgescale Tusker enters the battlefield, putting a +1/+1 counter on each creature you control.
  8. Repeat.

Combo 2 with Cauldron of Souls + Phyrexian Altar

Also requires: Cauldron of Souls Cauldron of Souls Phyrexian Altar Phyrexian Altar
Results: Infinite +1/+1 counters on most creatures you control · Infinite colored mana · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite sacrifice triggers
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Ridgescale Tusker and Corridor Monitor persist until end of turn.
  2. Activate Phyrexian Altar by sacrificing Corridor Monitor, adding one mana of any color.
  3. Corridor Monitor dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  4. Corridor Monitor enters the battlefield, untapping Cauldron of Souls.
  5. Activate Phyrexian Altar by sacrificing Ridgescale Tusker, adding one mana of any color.
  6. Ridgescale Tusker dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  7. Ridgescale Tusker enters the battlefield, putting a +1/+1 counter on each creature you control.
  8. Repeat.

Combo 3 with Cauldron of Souls + Altar of Dementia

Also requires: Cauldron of Souls Cauldron of Souls Altar of Dementia Altar of Dementia
Results: Infinite +1/+1 counters on most creatures you control · Infinite death triggers · Infinite ETB · Infinite LTB · Infinite mill · Infinite sacrifice triggers · Infinite self-mill
Show steps
  1. Activate Cauldron of Souls by tapping it, giving Ridgescale Tusker and Corridor Monitor persist until end of turn.
  2. Activate Altar of Dementia by sacrificing Corridor Monitor.
  3. Corridor Monitor dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  4. Corridor Monitor enters the battlefield, untapping Cauldron of Souls.
  5. Activate Altar of Dementia by sacrificing Ridgescale Tusker.
  6. Ridgescale Tusker dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
  7. Ridgescale Tusker enters the battlefield, putting a +1/+1 counter on each creature you control.
  8. Resolve both Altar of Dementia abilities, causing target player to mill cards equal to Corridor Monitor and Ridgescale Tusker's power.
  9. Repeat.
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