Ikoria: Lair of Behemoths

Mythos of Snapdax | Sorcery | | Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead. | Seb McKinnon

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

Dire Tactics | Instant | | Exile target creature. If you don't control a Human, you lose life equal to that creature's toughness. | Daarken

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

General's Enforcer | Creature | Human Soldier | Legendary Humans you control have indestructible. {2}{W}{B}: Exile target card from a graveyard. If it was a creature card, create a 1/1 white Human Soldier creature token. | Wisnu Tan

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

Jegantha, the Wellspring | Legendary Creature | Elemental Elk | Companion — No card in your starting deck has more than one of the same mana symbol in its mana cost. (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.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. | Chris Rahn

Offspring's Revenge | Enchantment | | At the beginning of combat on your turn, exile target red, white, or black creature card from your graveyard. Create a token that's a copy of that card, except it's 1/1. It gains haste until your next turn. | Daarken

Ruinous Ultimatum | Sorcery | | Destroy all nonland permanents your opponents control. | Chase Stone

Snapdax, Apex of the Hunt | Legendary Creature | Dinosaur Cat Nightmare | Mutate {2}{B/R}{W}{W} (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.) Double strike Whenever this creature mutates, it deals 4 damage to target creature or planeswalker an opponent controls and you gain 4 life. | Viktor Titov

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

Eerie Ultimatum | Sorcery | | Return any number of permanent cards with different names from your graveyard to the battlefield. | Jason A. Engle

Nethroi, Apex of Death | Legendary Creature | Cat Nightmare Beast | Mutate {4}{G/W}{B}{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.) Deathtouch, lifelink Whenever this creature mutates, return any number of target creature cards with total power 10 or less from your graveyard to the battlefield. | Slawomir Maniak

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

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

Indatha Triome | Land | Plains Swamp Forest | ({T}: Add {W}, {B}, or {G}.) Indatha Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | Noah Bradley

Savai Triome | Land | Mountain Plains Swamp | ({T}: Add {R}, {W}, or {B}.) Savai Triome enters the battlefield tapped. Cycling {3} ({3}, Discard this card: Draw a card.) | Titus Lunter

Scoured Barrens | Land | | Scoured Barrens enters the battlefield tapped. When Scoured Barrens enters the battlefield, you gain 1 life. {T}: Add {W} or {B}. | Cliff Childs