Ikoria: Lair of Behemoths

Mythos of Nethroi | Instant | | Destroy target nonland permanent if it's a creature or if {G}{W} was spent to cast this spell. | Seb McKinnon

Barrier Breach | Instant | | Exile up to three target enchantments. Cycling {2} ({2}, Discard this card: Draw a card.) | Mathias Kollros

Charge of the Forever-Beast | Sorcery | | As an additional cost to cast this spell, reveal a creature card from your hand. Charge of the Forever-Beast deals damage to target creature or planeswalker equal to the revealed card's power. | Filip Burburan

Excavation Mole | Creature | Mole | Trample When Excavation Mole enters the battlefield, mill three cards. | Lars Grant-West

Fertilid | Creature | Elemental | Fertilid enters the battlefield with two +1/+1 counters on it. {1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles. | Nicholas Gregory

Fully Grown | Instant | | Target creature gets +3/+3 until end of turn. Put a trample counter on it. | Dmitry Burmak

Glowstone Recluse | Creature | Spider | Mutate {3}{G} (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.) Reach Whenever this creature mutates, put two +1/+1 counters on it. | Yeong-Hao Han

Hornbash Mentor | Creature | Human Warrior | When Hornbash Mentor enters the battlefield, put a trample counter on target non-Human creature you control. {2}{G}, {T}: Put a +1/+1 counter on each creature you control with trample. | Wisnu Tan

Lead the Stampede | Sorcery | | Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order. | Lius Lasahido

Mosscoat Goriak | Creature | Beast | Vigilance | Dan Scott

Thwart the Enemy | Instant | | Prevent all damage that would be dealt this turn by creatures your opponents control. | Chris Rallis

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

Primal Empathy | Enchantment | | At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control. | Micah Epstein

Trumpeting Gnarr | Creature | Beast | Mutate {3}{G/U}{G/U} (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, create a 3/3 green Beast creature token. | Aaron Miller

Death's Oasis | Enchantment | | Whenever a nontoken creature you control dies, mill two cards. Then return a creature card with lesser mana value than the creature that died from your graveyard to your hand. {1}, Sacrifice Death's Oasis: You gain life equal to the highest mana value among creatures you control. | Grzegorz Rutkowski

Indatha Crystal | Artifact | | {T}: Add {W}, {B}, or {G}. Cycling {2} ({2}, Discard this card: Draw a card.) | Raoul Vitale

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

Zagoth Crystal | Artifact | | {T}: Add {B}, {G}, or {U}. Cycling {2} ({2}, Discard this card: Draw a card.) | Raoul Vitale