The way it works, is when Thassas Oracle enters the battlefield, you get to look at the top X cards of your library, where X is equal to your devotion to blue (how many blue mana symbols appear in the casting cost of all permanents you control)
Good for an early army launch
Since we dont want battlefield sweepers taking out our somewhat expensive commanders, creature control will have to come via targeted removal or triggers from Grave Pact or Dictate of Erebos
Kethis, the Hidden Hand Without the protection of Teferi, Time Raveler, Kethis, the Hidden Hand is a deck with a powerful combo finish that can still be disrupted
It's one of only 121 to be given that rating, according to the auction house
But plenty of parents come in blank, with no idea of the difference between a Charizard and a Charmander, or an Elite Trainer Box (more on that later) and a Booster Bundle