When A Killer Among Us enters the battlefield, create a 1/1 white Human creature token, a 1/1 blue Merfolk creature token, and a 1/1 red Goblin creature token. Then secretly choose Human, Merfolk, or Goblin.

Sacrifice A Killer Among Us, Reveal the creature type you chose: If target attacking creature token is the chosen type, put three +1/+1 counters on it and it gains deathtouch until end of turn.

When this creature enters the battlefield, roll a six-sided die. You gain life equal to the result.

Outlast (, : Put a +1/+1 counter on this creature. Outlast only as a sorcery.)

Each creature you control with a +1/+1 counter on it has first strike.

Whenever you attack a player with one or more equipped creatures, draw a card.

: You may unattach an Equipment from a creature you control. If you do, tap that creature and it gains indestructible until end of turn.

Sacrifice a land: Akki Avalanchers gets +2/+0 until end of turn. Activate only once each turn.

When Akki Blizzard-Herder dies, each player sacrifices a land.

: Target creature gains haste until end of turn.

Haste

Whenever Akki Lavarunner deals damage to an opponent, flip it.

When Akki Rockspeaker enters the battlefield, add .

, , Sacrifice an artifact or land: Draw a card.

Whenever Akki Underminer deals combat damage to a player, that player sacrifices a permanent.

Flying

Landfall — Whenever a land enters the battlefield under your control, Akoum Hellkite deals 1 damage to any target. If that land is a Mountain, Akoum Hellkite deals 2 damage instead.

Amrou Kithkin can't be blocked by creatures with power 3 or greater.

Whenever another nontoken creature enters the battlefield under your control, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

Flying

At the beginning of each combat, choose first strike, vigilance, or lifelink. Creatures you control gain that ability until end of turn.

: Target white creature gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Armored Kincaller enters the battlefield, you may reveal a Dinosaur card from your hand. If you do or if you control another Dinosaur, you gain 3 life.

Atraxa's Skitterfang enters the battlefield with three oil counters on it.

At the beginning of combat on your turn, you may remove an oil counter from Atraxa's Skitterfang. When you do, target creature you control gains your choice of flying, vigilance, deathtouch, or lifelink until end of turn.

Flying

You may play two additional lands on each of your turns.

Baki's Curse deals 2 damage to each creature for each Aura attached to that creature.

Descend 4 — Basking Capybara gets +3/+0 as long as there are four or more permanent cards in your graveyard.

: Ben-Ben, Akki Hermit deals damage to target attacking creature equal to the number of untapped Mountains you control.

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

Artifact offering (You may cast this spell as thought it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.)

Flying, double strike

Creatures attacking your opponents have double strike.

Blow Off Steam deals 1 damage to any target. (Then exile this card. You may cast the creature later from exile.)

Flying

Corrupted — As long as an opponent has three or more poison counters, Bonepicker Skirge has deathtouch and lifelink.

Return target creature to its owner's hand. If it was tapped, create a Map token. (It's an artifact with ", , Sacrifice this artifact: Target creature you control explores. Activate only as a sorcery.")

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Target creature an opponent controls deals damage equal to its power to another target creature that player controls. The Ring tempts you.

You may cast Breaking Wave as though it had flash if you pay more to cast it. (You may cast it any time you could cast an instant.)

Simultaneously untap all tapped creatures and tap all untapped creatures.

Vigilance

Whenever Brimaz, King of Oreskos attacks, create a 1/1 white Cat Soldier creature token with vigilance that's attacking.

Whenever Brimaz blocks a creature, create a 1/1 white Cat Soldier creature token with vigilance that's blocking that creature.

Flying

Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.

Kicker (You may pay an additional as you cast this spell.)

When Caligo Skin-Witch enters the battlefield, if it was kicked, each opponent discards two cards.

: Add . If that mana is spent on a Dragon creature spell, it gains haste until end of turn.

, : Search your library for a Mercenary permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

+1: Add . Chandra, Dressed to Kill deals 1 damage to up to one target player or planeswalker.

+1: Exile the top card of your library. If it's red, you may cast it this turn.

−7: Exile the top five cards of your library. You may cast red spells from among them this turn. You get an emblem with "Whenever you cast a red spell, this emblem deals X damage to any target, where X is the amount of mana spent to cast that spell."

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Corrupted — Sacrifice an artifact or creature: Draw a card. Activate only if an opponent has three or more poison counters and only once each turn.

Kicker (You may pay an additional as you cast this spell.)

If this spell was kicked, put a +1/+1 counter on a creature you control.

All creatures get -2/-2 until end of turn.

Destroy target non-Swamp land. If that land was nonbasic, Choking Sands deals 2 damage to the land's controller.

Cast this spell only during the declare blockers step.

X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures. (This spell works on creatures that can't be blocked.)

When Cliffhaven Kitesail enters the battlefield, attach it to target creature you control.

Equipped creature has flying.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.

Flying

Equipped creature has flying and "You can't lose the game and your opponents can't win the game."

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Cold-Eyed Selkie deals combat damage to a player, you may draw that many cards.

Destroy target creature. Create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

When Cosmium Kiln enters the battlefield, create two 1/1 colorless Gnome artifact creature tokens.

Creatures you control get +1/+1.

Flying, haste

Croakid Amphibonaut has flying as long as you control a stickered permanent.