Whenever Augury Adept deals combat damage to a player, reveal the top card of your library and put that card into your hand. You gain life equal to its mana value.

First strike

{T}: Brigid, Hero of Kinsbaile deals 2 damage to each attacking or blocking creature target player controls.

Create two 1/1 white Kithkin Soldier creature tokens.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Whenever Cenn's Heir attacks, it gets +1/+1 until end of turn for each other attacking Kithkin.

{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.

Indestructible

As long as your devotion to white and blue is less than seven, Ephara isn't a creature.

At the beginning of each upkeep, if you had another creature enter the battlefield under your control last turn, draw a card.

{R/W}: Figure of Destiny becomes a Kithkin Spirit with base power and toughness 2/2.

{R/W}{R/W}{R/W}: If Figure of Destiny is a Spirit, it becomes a Kithkin Spirit Warrior with base power and toughness 4/4.

{R/W}{R/W}{R/W}{R/W}{R/W}{R/W}: If Figure of Destiny is a Warrior, it becomes a Kithkin Spirit Warrior Avatar with base power and toughness 8/8, flying, and first strike.

Flying

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

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

Vigilance

Kithkin Rabble's power and toughness are each equal to the number of white permanents you control.

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

First strike

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever a nontoken creature you control attacks, you may pay {W}. If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking.

Lifelink, protection from mana value 3 or greater

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, choose a creature type.

Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

First strike

Reinforce 1--{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)

As Rustic Clachan enters the battlefield, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters the battlefield tapped.

{T}: Add {W}.

Reinforce 1--{1}{W} ({1}{W}, Discard this card: Put a +1/+1 counter on target creature.)

Creatures you control get +1/+1 until end of turn. If you control a Kithkin, draw a card.

Whenever you cast a white spell, Thistledown Duo gets +1/+1 until end of turn.

Whenever you cast a blue spell, Thistledown Duo gains flying until end of turn.

Flash

Other white creatures you control get +1/+1.

Other blue creatures you control get +1/+1.

Tap all creatures your opponents control and untap all creatures you control.

First strike, vigilance

Champion a Kithkin (When this enters the battlefield, sacrifice it unless you exile another Kithkin you control. When this leaves the battlefield, that card returns to the battlefield.)

Thoughtweft Trio can block any number of creatures.

Other Kithkin creatures you control get +1/+1.