When Mystic Sanctuary enters untapped, you get to take an instant or sorcery card from your graveyard and put it on top of your deck
That's some solid versatility for such an unusual effect in this color pair, and even though it only has one printing, you can get it for about a quarter
There is no common card that needed to be "played around" more than Ray of Command in Magic limited history, and the stories of getting 3-for-ones, 4-for-ones, or even 5- or 6-for-ones with Ray of Command were not unheard of
5) Demonic Consultation Many players avoided this card early on, in fear of losing multiple copies of the named card within the top six of their decks, and then decking themselves
Adventurer's Airship flies and has a relevant ability, but its a poor imitation of Smuggler's Copter and I dont think itll be that playable (unlike the original)