Multiverse Legends

Dina, Soul Steeper | Legendary Creature | Dryad Druid | Whenever you gain life, each opponent loses 1 life. {1}, Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power. | Benjamin Ee

Umori, the Collector | Legendary Creature | Ooze | Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) As Umori, the Collector enters the battlefield, choose a card type. Spells you cast of the chosen type cost {1} less to cast. | Daniel Warren Johnson

Jegantha, the Wellspring | Legendary Creature | Elemental Elk | Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} any time you could cast a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. | Steve Ellis

Yarok, the Desecrated | Legendary Creature | Elemental Horror | Deathtouch, lifelink If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time. | Jessica Rossier

Atraxa, Praetors' Voice | Legendary Creature | Phyrexian Angel Horror | Flying, vigilance, deathtouch, lifelink At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Justin Hernandez & Alexis Hernandez

Niv-Mizzet Reborn | Legendary Creature | Dragon Avatar | Flying When Niv-Mizzet Reborn enters the battlefield, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order. | Illustranesia