War of the Spark

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

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

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