Collectish

Creature — Elf Warrior

When this creature enters, each player may search their library for a basic land card, reveal it, put it into their hand, then shuffle.

Creature — Human Druid

Kicker {G} (You may pay an additional {G} as you cast this spell.) When this creature enters, if it was kicked, put a +1/+1 counter on target creature you control.

Creature — Raccoon Berserker

Trample Whenever you expend 4, this creature gets +2/+1 until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)

Creature — Human Artificer

When this creature enters, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {1}{B}{R}, Sacrifice another creature or artifact: Until end of turn, other creatures you control get +1/+0 and gain menace and haste.

Creature — Human Knight

Level up {2}{W} ({2}{W}: Put a level counter on this. Level up only as a sorcery.) LEVEL 2-4 3/6 Other creatures you control get +1/+1. LEVEL 5+ 4/8 Other creatures you control get +2/+2.

Creature — Spirit

Deathtouch {4}{B}: Each opponent loses 2 life and you gain 2 life. This ability costs {4}{B} less to activate if you've drawn three or more cards this turn. Activate only once each turn.

Sorcery

Put a +1/+1 counter on target creature you control. It fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Creature — Turtle Ninja

Ninjutsu {1}{G} This creature enters with a deathtouch counter on it. Whenever this creature deals combat damage to a player, you may remove a deathtouch counter from it. When you do, exile target artifact or enchantment that player controls.

Legendary Creature — Centaur Spirit

This spell costs {1} less to cast for each creature card in your graveyard. Once during each of your turns, you may cast a creature spell from your graveyard.

Instant

Target creature gets +2/+2 until end of turn. If it's an enchanted creature or enchantment creature, it also gains hexproof and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Creature — Dog

Vigilance Permanents your opponents control can't be turned face up during your turn. Whenever you attack with three or more creatures, creatures you control get +1/+1 until end of turn.

Creature — Beast

This creature enters with five +1/+1 counters on it. Whenever an artifact enters, remove a +1/+1 counter from this creature.

Enchantment — Aura

Enchant creature Enchanted creature loses all abilities and has base power and toughness 1/1.

Creature — Kavu Soldier

Reach Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, put a +1/+1 counter on this creature.

Artifact Creature — Robot Scout

{T}: Target creature you control gets +1/+1 and gains haste until end of turn. Activate only as a sorcery.

Creature — Kavu Soldier

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, create a Lander token. At the beginning of the end step on your next turn, sacrifice that token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Creature — Kavu

Trample Whenever an opponent gains life, put that many +1/+1 counters on this creature.

Legendary Planeswalker — Kaya

+1: Exile up to two target cards from a single graveyard. You gain 2 life if at least one creature card was exiled this way. −1: Exile target nonland permanent with mana value 1 or less. −5: Kaya deals damage to target player equal to the number of cards that player owns in exile and you gain that much life.

Instant

Target creature gets +1/+1 and gains double strike until end of turn. Foretell {W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Creature — Beast

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) When this creature enters, return up to two lands you control to their owner's hand.

Legendary Creature — Ogre Warrior

Whenever a creature an opponent controls attacks, if you're the defending player, create a 3/3 red Ogre creature token unless that creature's controller pays {3}.

Creature — Octopus Pirate

Vigilance Exhaust — {1}{U}: Draw a card, then discard a card. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)

Creature — Human Soldier

{2}{U}: Target creature gains flying until end of turn.

Creature — Human Wizard

{3}: Put target artifact, instant, or sorcery card from a graveyard on the bottom of its owner's library.

Creature — Human Barbarian

Haste Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, it deals 3 damage to target player or planeswalker.

Creature — Human Warrior

First strike Suspend 4—{R} (Rather than cast this card from your hand, you may pay {R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

Creature — Human Warrior

Kicker {3}{R} (You may pay an additional {3}{R} as you cast this spell.) Haste When this creature enters, if it was kicked, gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Creature — Human Warrior

When this creature enters, you may discard a card. If you do, draw a card.

Creature — Human Warrior

Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.) When this creature enters, if it was kicked, create two 1/1 white Soldier creature tokens. As long as this creature entered this turn, creatures you control have haste.

Creature — Human Warrior

Whenever this creature attacks, put a lore counter on target Saga you control.

Instant

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) Kellan's Lightblades deals 3 damage to target attacking or blocking creature. If this spell was bargained, destroy that creature instead.

Creature — Snake Wizard

Morph {4}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.

Sorcery

Put a +1/+1 counter on target creature. That creature gains haste until end of turn and can't be blocked by Walls this turn. Venture into the dungeon. (Enter the first room or advance to the next room.)

Enchantment

Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.) When this enchantment enters, you may discard a card. If you do, draw two cards. Max speed — Sacrifice this enchantment: Creatures and Vehicles you control gain haste until end of turn.

Legendary Creature — Goblin Shaman

Haste {T}: Create a token that's a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Instant

Target creature gets +1/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Instant

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1.

Creature — Kithkin Soldier

When this creature enters, put a +1/+1 counter on target creature. Encore {2}{W} ({2}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Creature — Leviathan

When this creature enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Creature — Kor Cleric

Kicker {2}{W} (You may pay an additional {2}{W} as you cast this spell.) Flying When this creature enters, if it was kicked, tap up to two target creatures.

Creature — Human Pirate

This creature has flying as long as it's attacking.

Creature — Human Pirate

Flying Whenever this creature attacks, another target creature attacking the same player or planeswalker gains flying until end of turn. Encore {4}{U} ({4}{U}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Legendary Creature — Otter Wizard

Vigilance Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {T}: Draw a card, then discard a card. {2}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. Activate only if Kitsa's power is 3 or greater.