Troll was really good for me in the old list when you could play DRS on turn 1 and Troll turn 2 with regeneration mana up. Turn 3 is slow. You could...
I still think the edge goes to combo. In fair blue decks, most cards are roughly equal quality. You don't know which you'll need for the match until...
I can't speak for where Mr. Safety is coming from, but when I differentiated between an all-in approach and grindier approach, it was based on these...