Altar of Dementia + High Score Combos

1 known combo featuring both cards in Commander

Infinite +1/+1 counters on creatures you control Infinite ETB Infinite LTB Infinite colored mana Infinite death triggers

Combo 1 with Toph, Greatest Earthbender + Power Depot + Crystalline Crawler

Results: Infinite +1/+1 counters on creatures you control · Infinite ETB · Infinite LTB · Infinite colored mana · Infinite death triggers · Infinite landfall triggers · Infinite mill · Infinite sacrifice triggers · Infinite self-mill
Steps
  1. Play Power Depot, which will enter with a +1/+1 counter on it due to its modular ability
  2. Cast Toph either from your hand or from the command zone by paying {2}{R}{G} plus commander tax if applicable.
  3. When Toph enters, it triggers, earthbending Power Depot and putting a number of +1/+1 counters on Power Depot equal to the mana spent to cast Toph, increased by High Score.
  4. Activate Altar of Dementia by sacrificing Power Depot.
  5. When Power Depot dies, its modular ability and Toph trigger.
  6. Resolve the modular trigger, putting the +1/+1 counters that were on Power Depot onto Crystalline Crawler, increased by High Score.
  7. Resolve the Toph trigger, returning Power Depot from your graveyard to the battlefield tapped. Power Depot will enter with a +1/+1 counter on it due to its modular ability
  8. Resolve the Altar of Dementia ability.
  9. Activate Altar of Dementia by sacrificing Toph. Choose to return Toph from your graveyard to the command zone.
  10. Activate Crystalline Crawler by removing a +1/+1 counter from it, adding {R/G}.
  11. Repeat step 10 until you have enough mana to cast Toph.
  12. Repeat from step 2.
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