Prerequisites
- Retribution of the Ancients on the battlefield
- Phyrexian Altar on the battlefield
- Howlgeist on the battlefield
- Howlgeist has no +1/+1 counters on it
Steps
- Activate Phyrexian Altar by sacrificing Howlgeist, adding
- Howlgeist dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it
- Activate Retribution of the Ancients by paying and removing a +1/+1 counter from Howlgeist, giving any creature -1/-1 until end of turn
- Repeat
Results
- Infinite death triggers
- Infinite ETB
- Infinite LTB
- Infinite sacrifice triggers
- Reduce any number of target creatures' toughness to zero
Required Cards 3
Retribution of the Ancients
Enchantment
Howlgeist
Creature — Spirit Wolf