The 3rd Gate of Hell

The 3rd Gate of Hell enters the battlefield tapped.

{t}: Add {b} or {r}, then add another {b} or {r} for
each lower numbered Gate of Hell on the battlefield.

{b/r}, {t}: Add {b}{b}, {b}{r}, or {r}{r}.


(Each Gate of Hell,
Empowers you to the next Gate of Hell.)