Dimir Keyrune GTC/228

Set: Gatecrash
Collector Code: GTC/228
Name: Dimir Keyrune
Type: Artifact
Oracle text: {T}: Add {U} or {B}. {U}{B}: This artifact becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.
Rarity: Uncommon