Modern, Kithkin (26)
Kithkin spells and Soldier spells you cast cost less to cast.
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.
When Cloudgoat Ranger enters, create three 1/1 white Kithkin Soldier creature tokens.
Tap three untapped Kithkin you control: Cloudgoat Ranger gets +2/+0 and gains flying until end of turn.
: Figure of Destiny becomes a Kithkin Spirit with base power and toughness 2/2.
: If Figure of Destiny is a Spirit, it becomes a Kithkin Spirit Warrior with base power and toughness 4/4.
: 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.
, , Discard a card: Create a 1/1 white Kithkin Soldier creature token named Goldmeadow Harrier. It has ", : Tap target creature."
As an additional cost to cast this spell, reveal a Kithkin card from your hand or pay .
When Guardian of Cloverdell enters, create three 1/1 white Kithkin Soldier creature tokens.
, Sacrifice a Kithkin: You gain 1 life.
When Gwyllion Hedge-Mage enters, if you control two or more Plains, you may create a 1/1 white Kithkin Soldier creature token.
When Gwyllion Hedge-Mage enters, if you control two or more Swamps, you may put a -1/-1 counter on target creature.
Kinsbaile Borderguard enters 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.
As long as you control a Giant, Kithkin Greatheart gets +1/+1 and has first strike.
When Kithkin Harbinger enters, you may search your library for a Kithkin card, reveal it, then shuffle and put that card on top.
Whenever an attacking Kithkin or Elf is put into your graveyard from the battlefield, you may draw a card.
Vigilance
Kithkin Rabble's power and toughness are each equal to the number of white permanents you control.
Flying
, Sacrifice Kithkin Spellduster: Destroy target enchantment.
Persist (When this creature 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 Kithkin Zealot enters, you gain 1 life for each black and/or red permanent target opponent controls.
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.
Whenever a nontoken creature you control attacks, you may pay . If you do, create a 1/1 white Kithkin Soldier creature token that's tapped and attacking.
, : Create a 1/1 white Kithkin Soldier creature token. ( is the untap symbol.)
Whenever a player casts a Kithkin spell, you may have target player lose 1 life.
Create two 1/1 white Kithkin Soldier creature tokens if was spent to cast this spell. Counter up to one target creature spell if was spent to cast this spell. (Do both if was spent.)
As Rustic Clachan enters, you may reveal a Kithkin card from your hand. If you don't, Rustic Clachan enters tapped.
: Add .
Reinforce 1— (, 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.
First strike, vigilance
Champion a Kithkin (When this enters, 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.
: Prevent all damage that would be dealt to target tapped Merfolk or Kithkin creature this turn.
Other Kithkin creatures you control get +1/+1.
Gatherer works better in the Companion app!