Devoid (This card has no color.)
: Stalking Drone gets +1/+2 until end of turn. Activate this ability only once each turn. ( represents colorless mana.)
As the Eldrazi adapted to the jungles of Zendikar, some took on the tactics of more familiar predators.
Cohort — , Tap an untapped Ally you control: Look at the top four cards of your library. You may reveal an Equipment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.
The amorphous, magically animated residue known as the Fathom Sludge lurks in the Hagra Cistern, attacking its prey with pseudopods and dragging it down to be digested.
( 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.
Surge (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying
When Tyrant of Valakut enters the battlefield, if its surge cost was paid, it deals 3 damage to any target.