
Arahbo, the First Fang | Legendary Creature | Cat Avatar | Other Cats you control get +1/+1.
Whenever Arahbo or another nontoken Cat you control enters, create a 1/1 white Cat creature token. | Simon Dominic

Celestial Armor | Artifact | Equipment | Flash (You may cast this spell any time you could cast an instant.)
When this Equipment enters, attach it to target creature you control. That creature gains hexproof and indestructible until end of turn.
Equipped creature gets +2/+0 and has flying.
Equip {3}{W} ({3}{W}: Attach to target creature you control. Equip only as a sorcery.) | Olena Richards

Crusader of Odric | Creature | Human Soldier | Crusader of Odric's power and toughness are each equal to the number of creatures you control. | Michael Komarck

Dazzling Angel | Creature | Angel | Flying
Whenever another creature you control enters, you gain 1 life. | Daneen Wilkerson

Inspiring Paladin | Creature | Human Knight | During your turn, this creature has first strike. (It deals combat damage before creatures without first strike.)
During your turn, creatures you control with +1/+1 counters on them have first strike. | Valera Lutfullina

Cat Collector | Creature | Human Citizen | When this creature enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
Whenever you gain life for the first time during each of your turns, create a 1/1 white Cat creature token. | Chris Seaman

Dauntless Veteran | Creature | Human Soldier | Whenever this creature attacks, creatures you control get +1/+1 until end of turn. | Chris Rallis

Prideful Parent | Creature | Cat | Vigilance (Attacking doesn't cause this creature to tap.)
When this creature enters, create a 1/1 white Cat creature token. | Leonardo Santanna

Twinblade Blessing | Enchantment | Aura | Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.) | Miro Petrov

Ajani, Caller of the Pride | Legendary Planeswalker | Ajani | +1: Put a +1/+1 counter on up to one target creature.
−3: Target creature gains flying and double strike until end of turn.
−8: Create X 2/2 white Cat creature tokens, where X is your life total. | D. Alexander Gregory

Banishing Light | Enchantment | | When Banishing Light enters, exile target nonland permanent an opponent controls until Banishing Light leaves the battlefield. | Willian Murai

Make Your Move | Instant | | Destroy target artifact, enchantment, or creature with power 4 or greater. | Xabi Gaztelua

Mischievous Pup | Creature | Dog | Flash
When Mischievous Pup enters, return up to one other target permanent you control to its owner's hand. | Devin Platts

Stroke of Midnight | Instant | | Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token. | Julia Metzger

Empyrean Eagle | Creature | Bird Spirit | Flying
Other creatures you control with flying get +1/+1. | Jason A. Engle

Good-Fortune Unicorn | Creature | Unicorn | Whenever another creature you control enters, put a +1/+1 counter on that creature. | Kee Lo