+Kithkin (13)
Amrou Kithkin can't be blocked by creatures with power 3 or greater.
Enchant creature
Enchanted creature can't be blocked by creatures with power 3 or greater.
Sacrifice Kithkin Armor: The next time a source of your choice would deal damage to enchanted creature this turn, prevent that damage.
Double strike
, : Target attacking creature gets +2/+2 until end of turn.
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.
: Prevent the next 1 damage that would be dealt to any target this turn.
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.
, : Target blocking creature gets +2/+2 until end of turn.
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.
Gatherer works better in the Companion app!
, Sacrifice Kithkin Spellduster: Destroy target enchantment.