Dominaria United

Anointed Peacekeeper | Creature | Human Cleric | Vigilance As Anointed Peacekeeper enters the battlefield, look at an opponent's hand, then choose any card name. Spells your opponents cast with the chosen name cost {2} more to cast. Activated abilities of sources with the chosen name cost {2} more to activate unless they're mana abilities. | Tia Masic

Temporary Lockdown | Enchantment | | When Temporary Lockdown enters the battlefield, exile each nonland permanent with mana value 2 or less until Temporary Lockdown leaves the battlefield. | Bryan Sola

Aether Channeler | Creature | Human Wizard | When Aether Channeler enters the battlefield, choose one — • Create a 1/1 white Bird creature token with flying. • Return another target nonland permanent to its owner's hand. • Draw a card. | Caio Monteiro

Haughty Djinn | Creature | Djinn | Flying Haughty Djinn's power is equal to the number of instant and sorcery cards in your graveyard. Instant and sorcery spells you cast cost {1} less to cast. | Mike Jordana

Vodalian Mindsinger | Creature | Merfolk Wizard | Kicker {1}{R} and/or {1}{G} Vodalian Mindsinger enters the battlefield with two +1/+1 counters on it for each time it was kicked. When Vodalian Mindsinger enters the battlefield, gain control of target creature with power less than Vodalian Mindsinger's power for as long as you control Vodalian Mindsinger. | Steve Prescott

Braids, Arisen Nightmare | Legendary Creature | Nightmare | At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card. | Heonhwa Choe

Keldon Flamesage | Creature | Human Shaman | Enlist Whenever Keldon Flamesage attacks, look at the top X cards of your library, where X is Keldon Flamesage's power. You may exile an instant or sorcery card with mana value X or less from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. | Jason A. Engle

Squee, Dubious Monarch | Legendary Creature | Goblin Noble | Haste Whenever Squee, Dubious Monarch attacks, create a 1/1 red Goblin creature token that's tapped and attacking. You may cast Squee, Dubious Monarch from your graveyard by paying {3}{R} and exiling four other cards from your graveyard rather than paying its mana cost. | Zoltan Boros

Llanowar Greenwidow | Creature | Spider | Reach, trample Domain — {7}{G}: Return Llanowar Greenwidow from your graveyard to the battlefield tapped. It gains "If this permanent would leave the battlefield, exile it instead." This ability costs {1} less to activate for each basic land type among lands you control. | Jokubas Uogintas

Threats Undetected | Sorcery | | Search your library for up to four creature cards with different powers and reveal them. An opponent chooses two of those cards. Shuffle the chosen cards into your library and put the rest into your hand. | Randy Vargas

King Darien XLVIII | Legendary Creature | Human Soldier | Other creatures you control get +1/+1. {3}{G}{W}: Put a +1/+1 counter on King Darien and create a 1/1 white Soldier creature token. Sacrifice King Darien: Creature tokens you control gain hexproof and indestructible until end of turn. | Donato Giancola

Rivaz of the Claw | Legendary Creature | Viashino Warlock | Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it." | Joshua Raphael

Meria, Scholar of Antiquity | Legendary Creature | Elf Artificer | Tap an untapped nontoken artifact you control: Add {G}. Tap two untapped nontoken artifacts you control: Exile the top card of your library. You may play it this turn. | Aurore Folny