Teysa Karlov | Nim Deathmantle | Myr Moonvessel

(and two other cards)

Sacrifice
Myr Moonvessel to
Ashnod's Altar, Adding ({C} magic symbol) ({C} magic symbol) to your mana pool.
Stack the
Myr Moonvessel trigger above the
Nim Deathmantle trigger.
Allow the
Myr Moonvessel trigger to resolve, adding ({C} magic symbol) to your mana pool.
Teysa Karlov makes
Myr Moonvessel's death trigger to occur twice adding an additional ({C} magic symbol) to your mana pool.
Let the
Blood Artist triggers resolve.
Pay for the
Nim Deathmantle trigger with ({4} magic symbol) , returning
Myr Moonvessel to the battlefield equipped with
Nim Deathmantle.
Repeat.