Hellgate Nexus

Hellgate Nexus enters tapped unless you control a Sin.

{t}: Add {u} or {b}.

Cycling {2}{u/b} ({2}{u/b}, Discard this card: Draw a card.)

When you cycle Hellgate Nexus, you may have target
player lose life equal to the number of Sins on the
battlefield. Destroy all Sins you control.

Pay 2 life, sacrifice a Sin: Put Hellgate Nexus from your
graveyard on top of your library.