Infinite +1/+1 counters on most creatures you control, Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers
Activate Cauldron of Souls by tapping it, giving Ridgescale Tusker and Corridor Monitor persist until end of turn.
Activate Ashnod's Altar by sacrificing Corridor Monitor, adding .
Corridor Monitor dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
Corridor Monitor enters the battlefield, untapping Cauldron of Souls.
Activate Ashnod's Altar by sacrificing Ridgescale Tusker, adding .
Ridgescale Tusker dies, trigger
Component Cards
How It Works
Activate Cauldron of Souls by tapping it, giving Ridgescale Tusker and Corridor Monitor persist until end of turn.
Activate Ashnod's Altar by sacrificing Corridor Monitor, adding .
Corridor Monitor dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
Corridor Monitor enters the battlefield, untapping Cauldron of Souls.
Activate Ashnod's Altar by sacrificing Ridgescale Tusker, adding .
Ridgescale Tusker dies, triggering its persist ability, returning itself from your graveyard to the battlefield with a -1/-1 counter on it.
Ridgescale Tusker enters the battlefield, putting a +1/+1 counter on each creature you control.
Repeat.