Theros Beyond Death

Nadir Kraken | Creature | Kraken | Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token. | Dan Scott

Protean Thaumaturge | Creature | Human Wizard | Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target creature, except it has this ability. | Izzy

Thassa's Oracle | Creature | Merfolk Wizard | When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) | Jesper Ejsing

Thryx, the Sudden Storm | Legendary Creature | Elemental Giant | Flash Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered. | Mathias Kollros

Wavebreak Hippocamp | Enchantment Creature | Horse Fish | Whenever you cast your first spell during each opponent's turn, draw a card. | Caio Monteiro

Dream Trawler | Creature | Sphinx | Flying, lifelink Whenever you draw a card, Dream Trawler gets +1/+0 until end of turn. Whenever Dream Trawler attacks, draw a card. Discard a card: Dream Trawler gains hexproof until end of turn. Tap it. | Jesper Ejsing

Atris, Oracle of Half-Truths | Legendary Creature | Human Advisor | Menace When Atris, Oracle of Half-Truths enters the battlefield, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard. | Bastien L. Deharme

Dalakos, Crafter of Wonders | Legendary Creature | Merfolk Artificer | {T}: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts. Equipped creatures you control have flying and haste. | Ryan Pancoast