Orthion, Hero of Lavabrink | Gray Merchant of Asphodel

Cards

Orthion and
Gray Merchant of Asphodel on the battlefield.
Orthion does not have summoning sickness.
({6} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) available.

Activate
Orthion's second ability by paying ({6} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) and tapping it, creating five token copies of
Gray Merchant of Asphodel.
Each
Gray Merchant of Asphodel enters the battlefield, triggering their abilities.
Resolve the first trigger, causing each opponent to lose life equal to your devotion to black, and causing you to gain that much life.
Repeat step 3 for each remaining trigger.