Amrou Seekers can't be blocked except by artifact creatures and/or white creatures.

Whenever a player casts a white spell, you may pay {1}. If you do, you gain 1 life.

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.

{T}: Tap target creature.

Whenever you cast a white spell, you may untap Ballynock Trapper.

Kithkin spells and Soldier spells you cast cost {1} less to cast.

First strike

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

Flying

Reinforce 2--{2}{W} ({2}{W}, Discard this card: Put two +1/+1 counters on target creature.)

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.

{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.

Goldmeadow Dodger can't be blocked by creatures with power 4 or greater.

Flying

Whenever Kinsbaile Balloonist attacks, you may have target creature gain flying until end of turn.

Kinsbaile Borderguard enters the battlefield with a +1/+1 counter on it for each other Kithkin you control.

When Kinsbaile Borderguard dies, create a 1/1 white Kithkin Soldier creature token for each counter on it.

Vigilance

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

{W}, {T}: Target blocking creature gets +2/+2 until end of turn.

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

{1}{W}{W}, {Q}: Return target creature card with mana value 3 or less from your graveyard to the battlefield. ({Q} is the untap symbol.)

Whenever Order of the Golden Cricket attacks, you may pay {W}. If you do, it gains flying until end of turn.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

First strike (This creature deals combat damage before creatures without first strike.)

Whenever Preeminent Captain attacks, you may put a Soldier creature card from your hand onto the battlefield tapped and attacking.

White creatures you control have "{T}: You gain 1 life."

Chroma -- When Springjack Shepherd enters the battlefield, create a 0/1 white Goat creature token for each white mana symbol in the mana costs of permanents you control.

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

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.