Rakdos Keyrune{3}
Artifact
{T}: Add {B} or {R}.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.
{B}{R}: Rakdos Keyrune becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.
The Rakdos use it for everything you can think of and plenty more than that.
Artist: Daniel Ljunggren