Plains

Latchkey Faerie

Flying
Prowl {2}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Faerie or Rogue.)
When this creature enters, if its prowl cost was paid, draw a card.

Kithkin Healer

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

Kinsbaile Borderguard

This creature enters with a +1/+1 counter on it for each other Kithkin you control.
When this creature dies, create a 1/1 white Kithkin Soldier creature token for each counter on it.

Mothdust Changeling

Changeling (This card is every creature type.)
Tap an untapped creature you control: This creature gains flying until end of turn.

Galepowder Mage

Flying
Whenever this creature attacks, exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Soaring Hope

Enchant creature
When this Aura enters, you gain 3 life.
Enchanted creature has flying.
{W}: Put this Aura on top of its owner's library.

Entangling Trap

Whenever you clash, tap target creature an opponent controls. If you won, that creature doesn't untap during its controller's next untap step. (This ability triggers after the clash ends.)

Kithkin Zephyrnaut

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with this creature, you may reveal it. If you do, this creature gets +2/+2 and gains flying and vigilance until end of turn.

Shinewend

Flying
This creature enters with a +1/+1 counter on it.
{1}{W}, Remove a +1/+1 counter from this creature: Destroy target enchantment.

Broken Ambitions

Counter target spell unless its controller pays {X}. Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Order of the Golden Cricket

Whenever this creature attacks, you may pay {W}. If you do, it gains flying until end of turn.

Island

Forfend

Prevent all damage that would be dealt to creatures this turn.

Wanderer's Twig

{1}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Neck Snap

Destroy target attacking or blocking creature.

Captivating Glance

Enchant creature
At the beginning of your end step, clash with an opponent. If you win, gain control of enchanted creature. Otherwise, that player gains control of enchanted creature. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Stonybrook Angler

{1}{U}, {T}: You may tap or untap target creature.

Pestermite

Flash
Flying
When this creature enters, you may tap or untap target permanent.

Streambed Aquitects

{T}: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn. (It can't be blocked as long as defending player controls an Island.)
{T}: Target land becomes an Island until end of turn.

Disperse

Return target nonland permanent to its owner's hand.

Negate

Research the Deep

Draw a card. Clash with an opponent. If you win, return Research the Deep to its owner's hand. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)

Kinsbaile Skirmisher

When this creature enters, target creature gets +1/+1 until end of turn.

Cenn's Tactician

{W}, {T}: Put a +1/+1 counter on target Soldier creature.
Each creature you control with a +1/+1 counter on it can block an additional creature each combat.

Swell of Courage

Creatures you control get +2/+2 until end of turn.
Reinforce X—{X}{W}{W} ({X}{W}{W}, Discard this card: Put X +1/+1 counters on target creature.)

Moonglove Extract

Sacrifice this artifact: It deals 2 damage to any target.

Kithkin Harbinger

When this creature enters, you may search your library for a Kithkin card, reveal it, then shuffle and put that card on top.

Battle Mastery

Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.)

Thieves' Fortune

Prowl {U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)
Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Tideshaper Mystic

{T}: Target land becomes the basic land type of your choice until end of turn. Activate only during your turn.

Rings of Brighthearth

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

Changeling Hero

Changeling (This card is every creature type.)
Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whirlpool Whelm

Clash with an opponent, then return target creature to its owner's hand. If you win, you may put that creature on top of its owner's library instead. (Each clashing player reveals the top card of their library, then puts that card on their choice of the top or bottom. A player wins if their card had a greater mana value.)