Jace, Wielder of Mysteries is a key alternate win condition in Commander and fringe Modern decks, especially ones built around self-mill or infinite draw loops
Raise Dead: Sure, we need one of these
If you're monocolor, there's only so many fetches you can play that can get your specific land type, so Prismatic Vista becomes your fifth fetch
The same goes for Namor the Sub-Mariner, who checks blue symbols in your noncreature spells
Wheels Doctor Doom, King of Latveria 0.6%inclusion 32 decks 5.05K decks Astonishing Spider-Man 1.1%inclusion 23 decks 2.01K decks The Scarlet Witch 0.4%inclusion 9 decks 2.20K decks Living Laser 0.3%inclusion 5 decks 1.95K decks Nick Fury, Agent of S.H.I.E.L.D
Spend this mana on Nexus of Fate, one of the silliest extra turn spells ever printed, which lets you chain together extra turns until your Reclamations give you enough mana for a lethal Expansion / Explosion