Oath of the Gatewatch

Devoid (This card has no color.) {3}{C}: Draw a card. ({C} represents colorless mana.)

Devoid (This card has no color.) Flying Whenever Gravity Negator attacks, you may pay {C}. If you do, another target creature gains flying until en...

Devoid (This card has no color.) {T}: Add {C}. Spend this mana only to cast a colorless spell, activate an ability of a colorless permanent, or pay...

Devoid (This card has no color.) {C}, {T}: Tap target creature. ({C} represents colorless mana.)

Devoid (This card has no color.) Counter target spell unless its controller pays {1}. You create a 1/1 colorless Eldrazi Scion creature token. It ...

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Tranquil Expanse enters the battlefield tapped. {T}: Add {G} or {W}.

Timber Gorge enters the battlefield tapped. {T}: Add {R} or {G}.

Meandering River enters the battlefield tapped. {T}: Add {W} or {U}.

Equipped creature gets +1/+1 and has haste. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}. ({C} represents colorless mana.)

Equipped creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.) Equip {3}

Equipped creature gets +1/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Devoid (This card has no color.) Mindmelter can't be blocked. {3}{C}: Target opponent exiles a card from their hand. Activate only as a sorcery. ...

Devoid (This card has no color.) {C}: Stalking Drone gets +1/+2 until end of turn. Activate only once each turn. ({C} represents colorless mana.)

Devoid (This card has no color.) When Scion Summoner enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrific...

Devoid (This card has no color.) Search your library for a basic land card and reveal it. You may put that card onto the battlefield tapped if you ...

Vigilance {T}: Add {C}. ({C} represents colorless mana.)

Devoid (This card has no color.) Reality Hemorrhage deals 2 damage to any target.

Devoid (This card has no color.) {C}: Maw of Kozilek gets +2/-2 until end of turn. ({C} represents colorless mana.)

Devoid (This card has no color.) {2}{C}: Each creature with toughness greater than its power can't block this turn. ({C} represents colorless mana.)

Devoid (This card has no color.) Eldrazi Aggressor has haste as long as you control another colorless creature.

Devoid (This card has no color.) Choose one — • Exile target land creature. • Consuming Sinkhole deals 4 damage to target player or planeswalker.

({C} represents colorless mana.) When Thought-Knot Seer enters the battlefield, target opponent reveals their hand. You choose a nonland card from ...