![Oath of the Gatewatch: Thought-Knot Seer](/img/cards/oath-of-the-gatewatch/ogw-thought-knot-seer-9.jpg)
Thought-Knot Seer | Creature | Eldrazi | ({C} represents colorless mana.)
When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from it and exile that card.
When Thought-Knot Seer leaves the battlefield, target opponent draws a card. | Svetlin Velinov
![Oath of the Gatewatch: Warden of Geometries](/img/cards/oath-of-the-gatewatch/ogw-warden-of-geometries-11.jpg)
Warden of Geometries | Creature | Eldrazi Drone | Vigilance
{T}: Add {C}. ({C} represents colorless mana.) | Jason Felix
![Oath of the Gatewatch: Gravity Negator](/img/cards/oath-of-the-gatewatch/ogw-gravity-negator-45.jpg)
Gravity Negator | Creature | Eldrazi Drone | Devoid (This card has no color.)
Flying
Whenever Gravity Negator attacks, you may pay {C}. If you do, another target creature gains flying until end of turn. ({C} represents colorless mana.) | Chase Stone
![Oath of the Gatewatch: Thought Harvester](/img/cards/oath-of-the-gatewatch/ogw-thought-harvester-48.jpg)
Thought Harvester | Creature | Eldrazi Drone | Devoid (This card has no color.)
Flying
Whenever you cast a colorless spell, target opponent exiles the top card of their library. | Winona Nelson
![Oath of the Gatewatch: Havoc Sower](/img/cards/oath-of-the-gatewatch/ogw-havoc-sower-71.jpg)
Havoc Sower | Creature | Eldrazi Drone | Devoid (This card has no color.)
{1}{C}: Havoc Sower gets +2/+1 until end of turn. ({C} represents colorless mana.) | Svetlin Velinov
![Oath of the Gatewatch: Inverter of Truth](/img/cards/oath-of-the-gatewatch/ogw-inverter-of-truth-72.jpg)
Inverter of Truth | Creature | Eldrazi | Devoid (This card has no color.)
Flying
When Inverter of Truth enters the battlefield, exile all cards from your library face down, then shuffle all cards from your graveyard into your library. | Chase Stone
![Oath of the Gatewatch: Sifter of Skulls](/img/cards/oath-of-the-gatewatch/ogw-sifter-of-skulls-77.jpg)
Sifter of Skulls | Creature | Eldrazi | Devoid (This card has no color.)
Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.) | Slawomir Maniak
![Oath of the Gatewatch: Maw of Kozilek](/img/cards/oath-of-the-gatewatch/ogw-maw-of-kozilek-99.jpg)
Maw of Kozilek | Creature | Eldrazi Drone | Devoid (This card has no color.)
{C}: Maw of Kozilek gets +2/-2 until end of turn. ({C} represents colorless mana.) | Daarken