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

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

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

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

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

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