The best way to remember this is to note that every card in collector boosters has some form of premium treatment, either being foil, showcase, or extended border, whereas cards from The List show up as printed in their original set, albeit with a planeswalker symbol on the bottom left
Migratory Route The actual effect is a bit less powerful than Id like at 5 mana, but as always, Migratory Routes basic landcycling ability makes it hard to be upset about that
But there is one other exception: some close games will find you one Flare short of a win with the other Flare waiting in hand
Card Rarity Guide Theories have emerged that you can tell which booster pack has a rare card based on the crease on the upper right corner of the pack, but it is also likely that the cards you pull are fixed since you could skip the pack opening sequence
In general Tron decks are not overly concerned about card advantage or tempo