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
Crackling Doom | Instant | | Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls. | Yohann Schepacz
Mardu Ascendancy | Enchantment | | Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking.
Sacrifice Mardu Ascendancy: Creatures you control get +0/+3 until end of turn. | Jason Chan
Abzan Ascendancy | Enchantment | | When Abzan Ascendancy enters the battlefield, put a +1/+1 counter on each creature you control.
Whenever a nontoken creature you control dies, create a 1/1 white Spirit creature token with flying. | Mark Winters
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
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