{T}: Add {W} or {B}.
{W}{B}: This artifact becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn.
You only need to wield it once to appreciate the power of control.
Legalities
tlrlegal
duellegal
brawlnot legal
pennylegal
PreDH
Rulings · 3
wotc
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.
wotc
Until the ability that turns the Keyrune into a creature resolves, the Keyrune is colorless.
wotc
Multiple instances of lifelink on the same creature are redundant. Activating the last ability multiple times won't cause you to gain more life.
Notes
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