Carnifex Demon + Nest of Scarabs + Blowfly Infestation + Phyrexian Altar

Prerequisites

• Carnifex Demon has at least two -1/-1 counters on it.
• At least two additional creatures on the battlefield.

Steps

1. 1Acftivate Carnifex Demon by paying and removing a -1/-1 counter from it, putting a -1/-1 counter on each other creature.
2. 2Nest of Scarabs triggers for each counter placed this way, creating at least one 1/1 Insect creature token.
3. 3If any creatures died as a result of the counters being placed, Blowfly Infestation also triggered once for each death, putting a -1/-1 counter on Carnifex Demon and all remaining counters onto any other creature(s).
4. 4Activate Phyrexian Altar by sacrificing an Insect, adding .
5. 5Repeat.

Effects

• Infinite -1/-1 counters on all other creatures
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers