Herald of Kozilek

one generic mana one blue mana one red mana Creature — Eldrazi DronePower and toughness2/4

Devoid (This card has no color.)

Colorless spells you cast cost one 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

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Showing Battle for Zendikar#205

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0.35 $

Foil 8.18 $

11 printings

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Herald of Kozilek rulings

2015-08-25
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.
2015-08-25
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.
2015-08-25
Herald of Kozilek's last ability can't reduce the amount of colored mana you pay for a spell. It reduces only the generic component of that mana cost.
2015-08-25
If there are additional costs to cast a spell, or if the cost to cast a spell is increased by an effect, apply those increases before applying cost reductions.
2015-08-25
The cost reduction can apply to alternative costs.
2015-08-25
If a colorless spell you cast has in its mana cost, you choose the value of X before calculating the spell's total cost. For example, if that spell's mana cost is , you could choose 5 as the value of X and pay to cast the spell.
2015-08-25
Cards with devoid use frames that are variations of the transparent frame traditionally used for Eldrazi. The top part of the card features some color over a background based on the texture of the hedrons that once imprisoned the Eldrazi. This coloration is intended to aid deckbuilding and game play.
2015-08-25
A card with devoid is just colorless. It's not colorless and the colors of mana in its mana cost.
2015-08-25
Other cards and abilities can give a card with devoid color. If that happens, it's just the new color, not that color and colorless.
2015-08-25
Devoid works in all zones, not just on the battlefield.

Herald of Kozilek keyword rules

Devoid Rule 702.114

Devoid is a characteristic-defining ability. “Devoid” means “This object is colorless.” This ability functions everywhere, even outside the game. See rule .