Marut | Glaring Fleshraker | Cloudstone Curio (and one other card)

Cards

Activate at least six Treasures by tapping them, adding at least ({6} magic symbol) .
Cast
Marut by paying at least ({6} magic symbol) gained from Treasures, plus an extra up to ({2} magic symbol) if needed.
Glaring Fleshraker's first ability triggers, creating a 0/1 Eldrazi Spawn creature token.
When the Eldrazi Spawn enters,
Cloudstone Curio and
Glaring Fleshraker's second ability triggers.
Resolve the
Cloudstone Curio trigger, returning
Ornithopter from the battlefield to your hand.
Resolve the
Glaring Fleshraker trigger, dealing 1 damage to each opponent.
Resolve
Marut. When
Marut enters, it triggers, creating a Treasure for each mana from a Treasure spent to cast it.
Cast
Ornithopter by paying its mana cost.
Glaring Fleshraker's first ability triggers, creating a 0/1 Eldrazi Spawn creature token.
When the Eldrazi Spawn enters,
Cloudstone Curio and
Glaring Fleshraker's second ability triggers.
Resolve the
Cloudstone Curio trigger, returning
Marut from the battlefield to your hand.
Resolve the
Glaring Fleshraker trigger, dealing 1 damage to each opponent.
If needed, activate up to two Eldrazi Spawns by sacrificing them, adding ({C} magic symbol) for each one sacrificed.
Repeat.

If you control seven or more Treasures, use at least seven Treasures to cast
Marut. If you use eight Treasures, forego step 13.

This combo has been estimated to be Exhibition (Bracket 1+).