Ghostfire Slice
Devoid (This card has no color.)
This spell costs less to cast if an opponent controls a multicolored permanent.
Ghostfire Slice deals 4 damage to any target.
Just because you can't see it doesn't mean it won't hurt.
Illustrated by Johann Bodin
This printing
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Other cards and abilities can give a card with devoid a color. If that happens, it's just the new color, not that color and colorless.
Devoid doesn't affect the color identity of the card for the purposes of the Commander variant. For example, while Abstruse Appropriation is colorless because it has devoid, its color identity is still white and black, and it can't be included in a Commander deck where the commander's color identity doesn't include both white and black.
Devoid works in all zones, not just on the battlefield.
If a card loses devoid, it will still be colorless. This is because effects that change an object's color (like the one created by devoid) are considered before the object loses devoid.
A card with devoid is just colorless. It's not colorless and the colors of mana in its mana cost.
