Anti-Venom, Horrifying Healer
Agatha's Soul Cauldron
Walking Ballista
Kami of Whispered Hopes

   Prerequisites

What do I need to start this combo?
Walking Ballista in exile (Walking Ballista exiled by Agatha's Soul Cauldron in exile).
All other permanents on the battlefield (Anti-Venom with a +1/+1 counter on it on the battlefield).

   Steps

How does this combo work?
1
Activate Anti-Venom using Walking Ballista's ability by removing a +1/+1 counter from it, targeting itself and putting two +1/+1 counters on it due to its replacement effect and Kami of Whispered Hopes.
2
Activate Anti-Venom using Walking Ballista's ability by removing a +1/+1 counter from it, dealing 1 damage to any target.
3
Repeat.

   Results

What do I get from this combo?
Infinite damage
Infinite +1/+1 counters on a creature
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