First printed in Gatecrash (2013)
Artifact
: Add
or
.
: This artifact becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.
A key that slips through every lock.
- Illustrated by
- Daniel Ljunggren
- Watermark
- Dimir
Legality
- Legal in
- Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Tiny Leaders, Oathbreaker
- Not legal in
- Standard, Pauper, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Premodern, Old School 93/94, Gladiator, Pauper Commander, PreDH, Brawl, Standard Brawl, Competitive Brawl
Rulings (2)
- Activating the ability that turns the Keyrune into a creature while it's already a creature will override any effects that set its power and/or toughness to another number, but effects that modify power and/or toughness without directly setting them will still apply.
- Until the ability that turns the Keyrune into a creature resolves, the Keyrune is colorless.
Prices
MTGO price: 0.003 TIX, the cheapest non-foil print (average sell price on GoatBots, 31 Oct 2026).