Ikoria: Lair of Behemoths

Helica Glider | Creature | Nightmare Squirrel | Helica Glider enters the battlefield with your choice of a flying counter or a first strike counter on it. | Jehan Choo

Keensight Mentor | Creature | Human Cleric | When Keensight Mentor enters the battlefield, put a vigilance counter on target non-Human creature you control. {1}{W}, {T}: Put a +1/+1 counter on each creature you control with vigilance. | Yongjae Choi

Lavabrink Venturer | Creature | Human Soldier | As Lavabrink Venturer enters the battlefield, choose odd or even. (Zero is even.) Lavabrink Venturer has protection from each mana value of the chosen quality. | Zoltan Boros

Perimeter Sergeant | Creature | Human Soldier | Whenever Perimeter Sergeant attacks, other Humans you control get +1/+0 until end of turn. | Stepan Alekseev

Snare Tactician | Creature | Human Soldier | Whenever you cycle a card, tap target creature an opponent controls. | Micah Epstein

Splendor Mare | Creature | Elk Unicorn | Lifelink Cycling {1}{W} ({1}{W}, Discard this card: Draw a card.) When you cycle Splendor Mare, put a lifelink counter on target creature you control. | Lucas Graciano

Stormwild Capridor | Creature | Bird Goat | Flying If noncombat damage would be dealt to Stormwild Capridor, prevent that damage. Put a +1/+1 counter on Stormwild Capridor for each 1 damage prevented this way. | Dmitry Burmak

Jubilant Skybonder | Creature | Human Wizard | Flying Creatures you control with flying have "Spells your opponents cast that target this creature cost {2} more to cast." | Jesper Ejsing

General Kudro of Drannith | Legendary Creature | Human Soldier | Other Humans you control get +1/+1. Whenever General Kudro of Drannith or another Human enters the battlefield under your control, exile target card from an opponent's graveyard. {2}, Sacrifice two Humans: Destroy target creature with power 4 or greater. | Ryan Pancoast

Necropanther | Creature | Cat Nightmare | Mutate {2}{W/B}{W/B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, return target creature card with mana value 3 or less from your graveyard to the battlefield. | Jason A. Engle

Lurrus of the Dream-Den | Legendary Creature | Cat Nightmare | Companion — Each permanent card in your starting deck has mana value 2 or less. (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.) Lifelink During each of your turns, you may cast one permanent spell with mana value 2 or less from your graveyard. | Slawomir Maniak

Zirda, the Dawnwaker | Legendary Creature | Elemental Fox | Companion — Each permanent card in your starting deck has an activated ability. (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.) Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {1}, {T}: Target creature can't block this turn. | Jesper Ejsing

Alert Heedbonder | Creature | Human Scout | Vigilance At the beginning of your end step, you gain 1 life for each creature you control with vigilance. | Randy Vargas

Kaheera, the Orphanguard | Legendary Creature | Cat Beast | Companion — Each creature card in your starting deck is a Cat, Elemental, Nightmare, Dinosaur, or Beast card. (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.) Vigilance Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance. | Ryan Pancoast

Vadrok, Apex of Thunder | Legendary Creature | Elemental Dinosaur Cat | Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Flying, first strike Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost. | Zack Stella