MTG >Combos >Nest of Scarabs +Obelisk Spider +Blowfly Infestation +

Put a -1/-1 counter on another 1/1 creature Nest of Scarabs will trigger, create a 1/1 Insect token When the creature dies, Blowfly Infestation will trigger, put a -1/-1 counter on the Insect token Obelisk Spider will trigger, the opponent will lose 1 life and you will gain 1 life. Repeat the process.