War of the Spark

Ajani's Pridemate | Creature | Cat Soldier | Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate. | Sidharth Chaturvedi

Grateful Apparition | Creature | Spirit | Flying Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Izzy

Martyr for the Cause | Creature | Human Soldier | When Martyr for the Cause dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Zoltan Boros

Pouncing Lynx | Creature | Cat | As long as it's your turn, Pouncing Lynx has first strike. | Sidharth Chaturvedi

Tomik, Distinguished Advokist | Legendary Creature | Human Advisor | Flying Lands on the battlefield and land cards in graveyards can't be the targets of spells or abilities your opponents control. Your opponents can't play land cards from graveyards. | Johannes Voss

War Screecher | Creature | Bird | Flying {5}{W}, {T}: Other creatures you control get +1/+1 until end of turn. | Dan Scott

Cruel Celebrant | Creature | Vampire | Whenever Cruel Celebrant or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life. | Bastien L. Deharme

Tenth District Legionnaire | Creature | Human Soldier | Haste Whenever you cast a spell that targets Tenth District Legionnaire, put a +1/+1 counter on Tenth District Legionnaire, then scry 1. | Victor Adame Minguez

Huatli's Raptor | Creature | Dinosaur | Vigilance When Huatli's Raptor enters the battlefield, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) | Randy Vargas