Dee Kay, Finder of the Lost The unique mechanics of Dee Kay, Finder of the Lost warranted a mention
Alchemy Standard and Traditional play in similar ways to their other events
Graveyard hate that is good enough to main deck has historically been very powerful, and Endurance fits the bill
Hermetic Study/Psionic Gift ( Saga/Legacy/Destiny & Odyssey/Torment/Judgment ) In both sets, these cards served a similar purpose: kill small creatures or allow your smaller creatures to threaten large ones in combat (for instance, Hermetic Study would allow your 2/2 creature to attack into a 3/3 creature with the threat of your third Hermetic Studied creature sweeping away the 3/3 should it block)
One of the more intriguing cards is Isabela Madrigal (Golden Child), which is fine with a quest of 1 as standard, but her Ladies First ability lets you get +3 lore when questing as long as no other characters have quested that turn
Or maybe you have a Cube that can use some of the cards you opened in Mystery Booster packs