they're the result of game rules
Blue doesn't usually have a ton, but there are a few cards like Cloud of Faeries and Peregrine Drake that can go a long way with the help of mana doublers or Ravnica bounce lands
I tried running a Google search for Alpha vs
Tim the Enchanter is unique in that it is burn damage available in mono blue, however, that damage is only one
Drawing four on cast regardless of anything else is great, even if its countered, and Annihilator 4 is going to be a problem to deal with
This morning I played against a deck that seemed to consist of just two Articuno EX cards and no other Pokmon, but the sheer amount of healing power - with two Giant Capes, Potions, and now two Iridas all in the deck, as well as Misty to pile on the energy fast with a bit of luck - meant actually getting through just these two Pokmon became almost impossible