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Herald of Kozilek
Creature — Eldrazi Drone
Devoid (This card has no color.)
Colorless spells you cast cost 1 generic mana less to cast.
"Some Eldrazi, their purpose is obvious: suck the life out of the land, birth new Eldrazi. Others aren't so obvious, and those are the ones that make me really nervous." —Chadir the Navigator
Rulings (10)
Herald of Kozilek's last ability doesn't change the mana cost or mana value of any spell. It changes only the total cost you actually pay.
Aug 25, 2015
Devoid works in all zones, not just on the battlefield.
Aug 25, 2015
A card with devoid is just colorless. It's not colorless and the colors of mana in its mana cost.
Aug 25, 2015
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