Any Standard deck that doesn't use the rebalanced cards is ready to go for Alchemy, and any deck using the rebalanced cards will just need to swap in the new, rebalanced versions that players have been granted
If you have a high-value Commander, dropping this to eat some removal later down the line is a great way to redirect some resources
Do you want it to be creature-based or more heavily focused on planeswalkers or enchantments
Im a huge Final Fantasy fan and a lapsed MTG player and I hadn't touched the game in a decade until this set came along
They've always been a great way to remove pinpoint enemy units
Against BG decks it kills Dark Confidant, Grim Flayer, Siege Rhino, Kalitas, Traitor of Ghet and Liliana of the Veil