After all, there are tons of people building Commander decks with these, regardless of whether or not they're actually legal
In addition to packs, you can can use gems to enter events, some of which will give you packs and gems back for game wins
If a permanent has flurry, it's often best to play that card first so the spell you cast after it triggers the flurry ability
Sea-Dasher Octopus Speaking of cards that can benefit from the rise of blue interaction, heres Sea-Dasher Octopus
Or you could start sacrificing those tokens to Woe Strider or Skullclamp to start dealing damage to opponents directly with the help of Zulaport Cutthroat or Poison-Tip Archer
Features cards from Zendikar Rising, highlighting the dangerous and adventurous world of Zendikar