{Tap}: Add {U} or {B} to your mana pool.
{U}{B}: Dimir Keyrune becomes a 2/2 blue and black Horror artifact creature until end of turn and is unblockable this turn.

A key that slips through every lock.

• Number: 228
• Rarity: U
• Type: Artifact
• Mana cost: 3
• Color: Artifact
• Artist: Daniel Ljunggren