War of the Throne
Dothraki Blood Raider: Must be trained by current Blood Raider
+2 to attacks and damage while riding a horse.
Dorne Sand Spear: Must be trained by Sand Spear
+2 to attack and damage when using weapon finesse with a Spear.
Lannister Lion Calvary: Must be trained by Lion Cavalrymen.
+2 to attack and damage when using a lance and a calvary charge.