
Mindswipe | Instant | | Counter target spell unless its controller pays {X}. Mindswipe deals X damage to that spell's controller. | Ryan Alexander Lee

Sagu Mauler | Creature | Beast | Trample, hexproof
Morph {3}{G}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Raymond Swanland

Flying Crane Technique | Instant | | Untap all creatures you control. They gain flying and double strike until end of turn. | Jack Wang

Jeskai Ascendancy | Enchantment | | Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures.
Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card. | Dan Scott

Mantis Rider | Creature | Human Monk | Flying, vigilance, haste | Johann Bodin

Sage of the Inward Eye | Creature | Djinn Wizard | Flying
Whenever you cast a noncreature spell, creatures you control gain lifelink until end of turn. | Chase Stone

Kheru Lich Lord | Creature | Zombie Wizard | At the beginning of your upkeep, you may pay {2}{B}. If you do, return a creature card at random from your graveyard to the battlefield. It gains flying, trample, and haste. Exile that card at the beginning of your next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. | Karl Kopinski

Rakshasa Vizier | Creature | Cat Demon | Whenever one or more cards are put into exile from your graveyard, put that many +1/+1 counters on Rakshasa Vizier. | Nils Hamm

Sultai Ascendancy | Enchantment | | At the beginning of your upkeep, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) | Karl Kopinski

Villainous Wealth | Sorcery | | Target opponent exiles the top X cards of their library. You may cast any number of spells with mana value X or less from among them without paying their mana costs. | Erica Yang

Avalanche Tusker | Creature | Elephant Warrior | Whenever Avalanche Tusker attacks, target creature defending player controls blocks it this combat if able. | Matt Stewart

Savage Knuckleblade | Creature | Ogre Warrior | {2}{G}: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.
{2}{U}: Return Savage Knuckleblade to its owner's hand.
{R}: Savage Knuckleblade gains haste until end of turn. | Chris Rahn

Temur Ascendancy | Enchantment | | Creatures you control have haste.
Whenever a creature with power 4 or greater enters the battlefield under your control, you may draw a card. | Jaime Jones

Trap Essence | Instant | | Counter target creature spell. Put two +1/+1 counters on up to one target creature. | Raymond Swanland