Amulet Titan, maybe, for at least one slot to get back a destroyed Slayers' Stronghold or Sunhome, Fortress of the Legion effect
Just like Collector Boosters are for collecting and Draft Boosters are for drafting, Set Boosters are for opening packs to see what's inside
It would be foolish to say that isnt a major factor why River Song is so high up on this list
Tibalts Trickery is 2 mana, 1 and 1 red is set up to create some of the craziest combos
Stay with Me (Rhystic Study) $246 Oh, gee I wonder what happens when you take one of the stapliest staples that ever stapled in Commander, make it a mythic rare, slap it onto a bonus sheet of Magic's best-selling set ever , and illustrate it with the two Final Fantasy characters that WotC is determined to turn into I'm not crying, you're crying! moments