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Golgari Keyrune
Artifact
tap : Add black mana or green mana .
black mana green mana : This artifact becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.
Like a single ant, it only hints at the colony below.
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.
Apr 15, 2013
Until the ability that turns the Keyrune into a creature resolves, the Keyrune is colorless.
Apr 15, 2013
Legality
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