Ikoria: Lair of Behemoths

Flame Spill | Instant | | Flame Spill deals 4 damage to target creature. Excess damage is dealt to that creature's controller instead. | Zoltan Boros

Frenzied Raptor | Creature | Dinosaur | | Jonathan Kuo

Frillscare Mentor | Creature | Human Warrior | When Frillscare Mentor enters the battlefield, put a menace counter on target non-Human creature you control. (It can't be blocked except by two or more creatures.) {2}{R}, {T}: Put a +1/+1 counter on each creature you control with menace. | Jason A. Engle

Prickly Marmoset | Creature | Monkey | First strike Whenever you cycle a card, Prickly Marmoset gets +2/+0 until end of turn. | Simon Dominic

Reptilian Reflection | Enchantment | | Whenever you cycle a card, you may have Reptilian Reflection become a 5/4 Dinosaur creature with trample and haste in addition to its other types until end of turn. | Antonio José Manzanedo

Spelleater Wolverine | Creature | Wolverine | Spelleater Wolverine has double strike as long as there are three or more instant and/or sorcery cards in your graveyard. | Uriah Voth

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

Lore Drakkis | Creature | Lizard Beast | Mutate {U/R}{U/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.) Whenever this creature mutates, return target instant or sorcery card from your graveyard to your hand. | Lucas Graciano

Rielle, the Everwise | Legendary Creature | Human Wizard | Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard. Whenever you discard one or more cards for the first time each turn, draw that many cards. | Yongjae Choi

Lutri, the Spellchaser | Legendary Creature | Elemental Otter | Companion — Each nonland card in your starting deck has a different name. (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.) Flash When Lutri, the Spellchaser enters the battlefield, if you cast it, copy target instant or sorcery spell you control. You may choose new targets for the copy. | Lie Setiawan

Sonorous Howlbonder | Creature | Human Warrior | Menace Each creature you control with menace can't be blocked except by three or more creatures. | Kimonas Theodossiou

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

Ketria Crystal | Artifact | | {T}: Add {G}, {U}, or {R}. Cycling {2} ({2}, Discard this card: Draw a card.) | Yeong-Hao Han

Raugrin Crystal | Artifact | | {T}: Add {U}, {R}, or {W}. Cycling {2} ({2}, Discard this card: Draw a card.) | Kirsten Zirngibl

Savai Crystal | Artifact | | {T}: Add {R}, {W}, or {B}. Cycling {2} ({2}, Discard this card: Draw a card.) | Daniel Ljunggren