Blowfly Infestation + Hapatra, Vizier of Poisons

BG identity

Commander legal

The 2 combo pieces

What must be in place

You control at least two other creatures with toughness equal to one.
You have a way to put a -1/-1 counter on a creature.

How to execute it

  1. Put a -1/-1 counter on any creature you control with toughness equal to one.
  2. The creatue dies as a state-based action due to having zero toughness.
  3. Hapatra and Blowfly Infestation trigger.
  4. Resolve the Hapatra trigger, creating a 1/1 Snake creature token.
  5. Resolve the Blowfly Infestation trigger, putting a -1/-1 counter on any creature you control with toughness equal to one.
  6. Repeat from step 2.

What the combo produces