Once you've already collected all the digital-only cards from a set (which may very well happen, since these sets are quite small), you will be given cards from the Alchemy packs adjacent Standard set
It's still good today, and although on the Reserve List, it's just $2.49 over at coolstuffinc.com right now (Hint, hint)
Spells like Nadir Kraken and The Locust God that create tokens as you draw cards are great ways to defend the crown while Psychosis Crawler and Niv-Mizzet, Parun turn the card draw into pressure to wrap the game up
The key to this cards power lies in the fact that it actually costs zero mana, however, provided youre able to Mill it out of your deck
Experienced players recognize that strong synergies often overcome individually powerful card selections
When using Pack Hourglasses, time them as close to the full hour as possible