Ghyrson Starn, Kelermorph | Protection of the Hekma | Sakashima of a Thousand Faces

(and one other card)

Harmless Offering in hand.
All permanents on the battlefield (
Sakashima of a Thousand Faces as a copy of Ghyyrson Starn.).
You have a way to deal exactly 2 damage to an opponent.
({2} magic symbol) ({R} magic symbol) available.

Cast
Harmless Offering by paying its mana cost, giving an opponent control of
Protection of the Hekma.
Deal 2 damage to that opponent by any method, reduced to 1 due to
Protection of the Hekma.
Ghyrson Starn and
Sakashima of a Thousand Faces trigger.
Resolve the
Ghyrson Starn trigger, dealing 1 damage to the opponent.
Sakashima of a Thousand Faces triggers, dealing 1 damage to the opponent.
Ghyrson Starn triggers, dealing 1 damage to the opponent.
Repeat from step 5.