Body Launderer | Spark Double | Clever Impersonator (and one other card)

Cards

Spark Double in your graveyard.
All other permanents on the battlefield (
Clever Impersonator as a copy of
Body Launderer).

Activate
Ashnod's Altar by sacrificing
Clever Impersonator, adding ({C} magic symbol) ({C} magic symbol) .
Clever Impersonator dies, triggering its second ability and
Body Launderer's first ability.
Resolve the
Clever Impersonator trigger, returning
Spark Double from your graveyard to the battlefield as a copy of
Body Launderer.
Resolve the
Body Launderer trigger, causing it to connive.
Activate
Ashnod's Altar by sacrificing
Spark Double, adding ({C} magic symbol) ({C} magic symbol) .
Spark Double dies, triggering its second ability and
Body Launderer's first ability.
Resolve the
Spark Double trigger, returning
Clever Impersonator from your graveyard to the battlefield as a copy of
Body Launderer.
Resolve the
Body Launderer trigger, causing it to connive.
Repeat.

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