Kinzu of the Bleak Coven | Eternal Scourge | Ashnod's Altar

(and one other card)

Activate
Ashnod's Altar by sacrificing
Eternal Scourge, adidng ({C} magic symbol) ({C} magic symbol) .
When
Eternal Scourge dies,
Kinzu of the Bleak Coven and
Dross Harvester's second ability trigger.
Resolve the
Dross Harvester trigger, causing you to gain two life.
Resolve the
Kinzu of the Bleak Coven trigger, causing you to pay two life and exile
Eternal Scourge from your graveyard to create a token copy of it that is 1/1.
Activate
Ashnod's Altar by sacrificing the
Eternal Scourge token, adding ({C} magic symbol) ({C} magic symbol) .
When the
Eternal Scourge token dies,
Dross Harvester's second ability triggers, causing you to gain two life.
Cast
Eternal Scourge from exile by paying ({3} magic symbol) .
Repeat.
Once you have infinite life and colorless mana, you may forego sacrificing the
Eternal Scourge tokens.