Such is the power of Rakdos that even his shadow takes on a cruel life of its own.

RNA Guild Kit

Avatar of Discord

Flying
When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.

({B/R} can be paid with either {B} or {R}.)
Flying
When Avatar of Discord enters, sacrifice it unless you discard two cards.

({BR} can be paid with either {B} or {R}.)
Flying
When Avatar of Discord comes into play, sacrifice it unless you discard two cards.