Anafenza, Kin-Tree Spirit | Legendary Creature | Spirit Soldier | Whenever another nontoken creature enters the battlefield under your control, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) | Ryan Yee
Arashin Foremost | Creature | Human Warrior | Double strike
Whenever Arashin Foremost enters the battlefield or attacks, another target Warrior creature you control gains double strike until end of turn. | David Palumbo
Hidden Dragonslayer | Creature | Human Warrior | Lifelink
Megamorph {2}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Hidden Dragonslayer is turned face up, destroy target creature with power 4 or greater an opponent controls. | Anastasia Ovchinnikova
Sunscorch Regent | Creature | Dragon | Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life. | Matt Stewart
Pristine Skywise | Creature | Dragon | Flying
Whenever you cast a noncreature spell, untap Pristine Skywise. It gains protection from the color of your choice until end of turn. | Adam Paquette
Arashin Sovereign | Creature | Dragon | Flying
When Arashin Sovereign dies, you may put it on the top or bottom of its owner's library. | Dan Scott