Pioneer Masters

Stormtide Leviathan | Creature | Leviathan | Islandwalk (This creature can't be blocked as long as defending player controls an Island.) All lands are Islands in addition to their other types. Creatures without flying or islandwalk can't attack. | Karl Kopinski

Temporal Trespass | Sorcery | | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Take an extra turn after this one. Exile Temporal Trespass. | Clint Cearley

Treasure Cruise | Sorcery | | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards. | Cynthia Sheppard

Enter the Infinite | Sorcery | | Draw cards equal to the number of cards in your library, then put a card from your hand on top of your library. You have no maximum hand size until your next turn. | Lindsey Look

Behold the Beyond | Sorcery | | Discard your hand. Search your library for three cards, put them into your hand, then shuffle. | Madeline Boni

Gurmag Angler | Creature | Zombie Fish | Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) | YW Tang

Abhorrent Overlord | Creature | Demon | Flying When Abhorrent Overlord enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature. | Slawomir Maniak

Worst Fears | Sorcery | | You control target player during that player's next turn. Exile Worst Fears. (You see all cards that player could see and make all decisions for the player.) | Eric Deschamps

Sylvan Primordial | Creature | Avatar | Reach When Sylvan Primordial enters, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle. | Stephan Martiniere

The Great Aurora | Sorcery | | Each player shuffles all cards from their hand and all permanents they own into their library, then draws that many cards. Each player may put any number of land cards from their hand onto the battlefield. Exile The Great Aurora. | Sam Burley

Ashen Rider | Creature | Archon | Flying When Ashen Rider enters or dies, exile target permanent. | Chris Rahn

Garruk, Apex Predator | Legendary Planeswalker | Garruk | +1: Destroy another target planeswalker. +1: Create a 3/3 black Beast creature token with deathtouch. −3: Destroy target creature. You gain life equal to its toughness. −8: Target opponent gets an emblem with "Whenever a creature attacks you, it gets +5/+5 and gains trample until end of turn." | Tyler Jacobson

Dragonlord Atarka | Legendary Creature | Elder Dragon | Flying, trample When Dragonlord Atarka enters, it deals 5 damage divided as you choose among any number of target creatures and/or planeswalkers your opponents control. | Karl Kopinski

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

Void Winnower | Creature | Eldrazi | Your opponents can't cast spells with even mana values. (Zero is even.) Your opponents can't block with creatures with even mana values. | Chase Stone