City on Fire + Walking Ballista Combos

3 known combos featuring both cards in Commander

Infinite damage Infinite +1/+1 counters on creatures you control Infinite lifegain triggers Infinite +1/+1 counters on a creature

Combo 1 with Vigor

Also requires: Vigor

Vigor

Results: Infinite damage · Infinite +1/+1 counters on creatures you control

Steps

Activate Walking Ballista's second ability by removing a +1/+1 counter from it, putting three +1/+1 counters on it due to Vigor.
Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 3 damage to any target.
Repeat as desired.

50 decks Colorless View on Commander Spellbook →

Also requires:

Unspeakable Symbol

Results: Infinite damage · Infinite lifegain triggers

Show steps

Give Walking Ballista lifelink, if needed.
If Walking Ballista has less than two +1/+1 counters on it, activate Unspeakable Symbol by paying 3 life, putting a +1/+1 counter on Walking Ballista.
Activate Walking Ballista's second ability by removing a +1/+1 counter from it, dealing 3 damage to an opponent or a permanent an opponent controls, and causing you to gain 3 life.
Repeat from step 2.

1 decks Colorless View on Commander Spellbook →

Also requires:

Anti-Venom, Horrifying Healer

Agatha's Soul Cauldron

Results: Infinite damage · Infinite +1/+1 counters on a creature

Show steps

Activate Anti-Venom using Walking Ballista's ability by removing a +1/+1 counter from it, targeting itself and putting three +1/+1 counters on it due to its replacement effect and City on Fire.
Activate Anti-Venom using Walking Ballista's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
Repeat.

Colorless View on Commander Spellbook →

📚 Learn more:

Combo Burn Mana

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