CommanderLegacyVintage
Result
Infinite -1/-1 counters, Infinite colorless mana, Infinite death triggers, Infinite ETB, Infinite LTB, Infinite sacrifice triggers
Activate Ashnod's Altar by sacrificing Soulstinger.
When Soulstinger dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Soulstinger enters the battlefield, it triggers, putting a -1/-1 counter on it.
Repeat.
Component Cards
How It Works
1
Activate Ashnod's Altar by sacrificing Soulstinger.
When Soulstinger dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
When Soulstinger enters the battlefield, it triggers, putting a -1/-1 counter on it.
Repeat.