Bug Reproduction

Platform: PC

Steps
1) Collect all cards from the main EOE set
2) Open a 10 EOE Alchemy boosters
3) See non-EOE Alchemy rares in the opened cards

Expected Results: Only rares and mythics from EOE Alchemy should appear

Actual Results: Cards from non-EOE Alchemy sets are appearing. In the attached screenshots, the following non-EOE rares were opened:

1) Razor Demon
2) Three Tree Batallion
3) Chomping Mastasaur
4) Vigorous Farming
5) Tsagan, Raider Warlord

Workaround: Unknown / Not Available