While a bonus card is guaranteed in each drop, there is no way to know which one youll be getting, so its likely that these variants will be extremely sought after
One example is [c]Terefi, Temporal Archmage[/c]
I know for a fact that this has helped me avoid small purchases here and there directly because this sleeve made me connect the purchase with a longer time period of being in debt
(Foil cards are not part of the Convention Edition version.) Learn about these changes, and see the new list of reprinted cards here
The universal dilemma of the Infiltrator was that few decks that played it wanted to tap out to get him there, but sticking him on the board was so devastating that most opponents would consider themselves fortunate to spend that window of opportunity making him go away as trying to race him with a traditional three- or four-drop was pure folly and playing your own blocker, including your own Shadowmage or something a little bulkier risked a removal spell that would lead into a downward spiral of card disadvantage
Collection buyouts and bulk purchases, which scale fastest but demand the most due diligence