Every printing we track, with today's reference value. Cards someone is selling show the lowest price.
6 cards

Xathrid Necromancer
Magic 2014 Promos #A12

Hive Stirrings
Magic 2014 Promos #21★

Colossal Whale
Magic 2014 Promos #48★

Goblin Diplomats
Magic 2014 Promos #141★

Megantic Sliver
Magic 2014 Promos #185★

Ratchet Bomb
Magic 2014 Promos #215★