Aven Sunstriker | Creature | Bird Warrior | Flying
Double strike (This creature deals both first-strike and regular combat damage.)
Megamorph {4}{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.) | John Severin Brassell
Battle Mastery | Enchantment | Aura | Enchant creature
Enchanted creature has double strike. (It deals both first-strike and regular combat damage.) | Viktor Titov
Dromoka Captain | Creature | Human Soldier | First strike
Whenever Dromoka Captain attacks, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.) | Matt Stewart
Graceblade Artisan | Creature | Human Monk | Graceblade Artisan gets +2/+2 for each Aura attached to it. | Magali Villeneuve
Dromoka Monument | Artifact | | {T}: Add {G} or {W}.
{4}{G}{W}: Dromoka Monument becomes a 4/4 green and white Dragon artifact creature with flying until end of turn. | Daniel Ljunggren
Ojutai Monument | Artifact | | {T}: Add {W} or {U}.
{4}{W}{U}: Ojutai Monument becomes a 4/4 white and blue Dragon artifact creature with flying until end of turn. | Daniel Ljunggren