Herald of Kozilek
Market price
- Near Mint
- $7.60
- Lightly Played
- $7.69
- Moderately Played
- $6.16
- Heavily Played
- $6.00
- Damaged
- $3.81
- Near Mint
- $7.60
- Lightly Played
- $7.69
- Moderately Played
- $6.16
- Heavily Played
- $6.00
Buy
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Devoid
Colorless spells you cast cost 
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”
2/4
Illustrated by Johannes Voss
Rulings (10)
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
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.
Aug 25, 2015
Devoid works in all zones, not just on the battlefield.
Aug 25, 2015
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.
Aug 25, 2015
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
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.
Aug 25, 2015
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.
Aug 25, 2015
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.
Aug 25, 2015
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.
Aug 25, 2015
The cost reduction can apply to alternative costs.
