Plague of Vermin + Spawning Pit + Vindictive Vampire
Plague of Vermin
Spawning Pit
Vindictive Vampire
Near-infinite charge counters on a permanentNear-infinite creature ETBNear-infinite creature LTBNear-infinite creature sacrifice triggersNear-infinite creature tokens for all playersNear-infinite damageNear-infinite death triggers
How it works
Cast Plague of Vermin by paying 6 and choosing to pay any amount of life, creating that many 1/1 Rat creature tokens.
Activate Spawning Pit by sacrificing a Rat.
When the Rat dies, Vindictive Vampire triggers, dealing 1 damage to each opponent and causing you to gain 1 life.