War of the Spark

Bloom Hulk | Creature | Plant Elemental | When Bloom Hulk enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Even Amundsen

Centaur Nurturer | Creature | Centaur Druid | When Centaur Nurturer enters the battlefield, you gain 3 life. {T}: Add one mana of any color. | Even Amundsen

Mowu, Loyal Companion | Legendary Creature | Dog | Vigilance, trample If one or more +1/+1 counters would be put on Mowu, Loyal Companion, that many plus one +1/+1 counters are put on it instead. | Kimonas Theodossiou

Ajani, the Greathearted | Legendary Planeswalker | Ajani | Creatures you control have vigilance. +1: You gain 3 life. −2: Put a +1/+1 counter on each creature you control and a loyalty counter on each other planeswalker you control. | Victor Adame Minguez

Tamiyo, Collector of Tales | Legendary Planeswalker | Tamiyo | Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. +1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. −3: Return target card from your graveyard to your hand. | Chase Stone

Deathsprout | Instant | | Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. | Seb McKinnon

Storrev, Devkarin Lich | Legendary Creature | Zombie Elf Wizard | Trample Whenever Storrev, Devkarin Lich deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat. | Igor Kieryluk

Vraska, Swarm's Eminence | Legendary Planeswalker | Vraska | Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature. −2: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this creature deals damage to a planeswalker, destroy that planeswalker." | Anna Steinbauer

Samut, Tyrant Smasher | Legendary Planeswalker | Samut | Creatures you control have haste. −1: Target creature gets +2/+1 and gains haste until end of turn. Scry 1. | Aleksi Briclot