Pioneer Masters

Crackdown Construct | Artifact Creature | Construct | Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn. | Johannes Voss

Gate Colossus | Artifact Creature | Construct | This spell costs {1} less to cast for each Gate you control. This creature can't be blocked by creatures with power 2 or less. Whenever a Gate you control enters, you may put this card from your graveyard on top of your library. | Izzy

Bane of Bala Ged | Creature | Eldrazi | Whenever Bane of Bala Ged attacks, defending player exiles two permanents they control. | Chase Stone

Catacomb Sifter | Creature | Eldrazi Drone | Devoid (This card has no color.) When Catacomb Sifter enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.) | Craig J Spearing

Crumble to Dust | Sorcery | | Devoid (This card has no color.) Exile target nonbasic land. Search its controller's graveyard, hand, and library for any number of cards with the same name as that land and exile them. Then that player shuffles. | Andrew Mar

Brood Monitor | Creature | Eldrazi Drone | Devoid (This card has no color.) When Brood Monitor enters, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}." | Izzy