Cadric, Soul Kindler | Cloudstone Curio | Dockside Extortionist

(and one other card)

Dockside Extortionist in hand or on the battlefield.
Ghalta in hand.
Cadric and
Cloudstone Curio on the battlefield.
Opponents control at least one artifact and/or enchantment.
({5} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) available.

Cast
Ghalta by paying ({5} magic symbol) ({G} magic symbol) ({G} magic symbol) ({G} magic symbol) .
When
Ghalta enters the battlefield, it,
Cadric and
Cloudstone Curio trigger.
Resolve the
Cloudstone Curio trigger, returning
Dockside Extortionist to your hand if its on the battlefield, or returning nothing to your hand otherwise.
Resolve the
Ghalta trigger, putting
Dockside Extortionist onto the battlefield from your hand.
When
Dockside Extortionist enters the battlefield, it and
Cloudstone Curio trigger.
Resolve the
Dockside Extortionist trigger, creating at least one Treasure artifact token.
Activate a Treasure by tapping and sacrificing it, adding ({1} magic symbol) .
Resolve the
Cloudstone Curio trigger, returning
Ghalta to your hand from the battlefield.
Resolve the
Cadric trigger from step 2, causing you to pay ({1} magic symbol) to create a token copy of
Ghalta with haste.
When the
Ghalta token enters the battlefield, it and
Cloudstone Curio trigger.
Resolve the
Cloudstone Curio trigger, returning nothing to your hand from the battlefield.
Resolve the
Ghalta token's trigger, putting
Ghalta onto the battlefield from your hand.
Repeat from step 2.
If opponents control at least two artifacts and/or enchantments, this combo nets infinite Treasure tokens and colored mana.