Exiling creatures and getting to discover, hopefully getting creatures onto the battlefield (to, say, trigger Intruder AlarmIntruder Alarm), could create a loop of value
[mtg_card]Treasure Cruise[/mtg_card], for example, could be played for one mana, essentially making it like [mtg_card]Ancestral Recall[/mtg_card], perhaps the most powerful card in Magics entire history
Professors Research lets you draw two cards, capitalizing on the universal card game theory that suggests, the more cards you draw, the better your chances of victory
Next, move your flat finger to the opening of the outer sleeve, pressing the air out of the sleeved card as you go
The lack of colors might feel disappointing, but the thematic reasoning is sound
Usually this is a traditional foil card with a borderless, Ninja, Samurai, Phyrexian, soft glow, or extended-art treatment, but occasionally you'll open a foil-etched rare or mythic rare, or even a neon ink foil