It is essentially just an Avacyn's Pilgrim but for colourless
Selfish, but the fact that you can use it multiple times per turn makes it potentially very powerful, especially given Helitrooper packs built-in evasion
With so many good instants available, once a player untapped with a Shadowmage Infiltrator and an otherwise empty board the game was practically over, and if there was some small threat left over it could be dealt with in due time
I consider Flash to one of those cheat-something-in style cards with Show and Tell, Tinker, Reanimate and co, Oath of Druids, Sneak attack and so on and so forth
There are combat-based solutions to victory present, but any time we arent activating the Maze with 10 different gates on the field is a loss in my book
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