Pioneer Masters

Archway Angel | Creature | Angel | Flying When this creature enters, you gain 2 life for each Gate you control. | Milivoj Ćeran

Triplicate Spirits | Sorcery | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Create three 1/1 white Spirit creature tokens with flying. | Izzy

Evangel of Heliod | Creature | Human Cleric | When Evangel of Heliod enters, create a number of 1/1 white Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) | Nils Hamm

Shipbreaker Kraken | Creature | Kraken | {6}{U}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken. | Jack Wang

Sphinx of Magosi | Creature | Sphinx | Flying {2}{U}: Draw a card, then put a +1/+1 counter on Sphinx of Magosi. | James Ryman

Dreadhound | Creature | Demon Dog | When Dreadhound enters, mill three cards. (Put the top three cards of your library into your graveyard.) Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life. | Joe Slucher

Honored Hydra | Creature | Snake Hydra | Trample Embalm {3}{G} ({3}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Snake Hydra with no mana cost. Embalm only as a sorcery.) | Todd Lockwood

Dinrova Horror | Creature | Horror | When Dinrova Horror enters, return target permanent to its owner's hand, then that player discards a card. | Johann Bodin

Swift Warkite | Creature | Dragon | Flying When Swift Warkite enters, you may put a creature card with mana value 3 or less from your hand or graveyard onto the battlefield. That creature gains haste. Return it to your hand at the beginning of the next end step. | Izzy

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