Infinite Reflection attached to any Sliver you control that does not have a cycling ability.
You have discarded at least two cards this turn.
({1} magic symbol) (at most) available.
Steps
Cast Hollow One either from your hand or from your graveyard by paying at most ({1} magic symbol) , causing it to enter the battlefield as a copy of the creature with Infinite Reflection attached.
Activate Hollow One by sacrificing it, adding ({B} magic symbol) ({B} magic symbol) .
If you cast Hollow One from your graveyard, Hollow One is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Hollow One's cycling ability.