It also can, with no mana, exile two legendary cards from your graveyard to play your legendary stuff from it this turn, great recursion in a legendary themed deck
If you insist on playing the hot hand, the trade only makes sense alongside a bundle discount that restores your net ROI after fees and shipping
For an Army, that means the WHOLE Army, so this isn't something I'm more likely to do with a nontoken creature
Kuzco - Selfish Emperor is another good Shimmering Skies option with this ability, but Hide Away's cheap cost makes it easier to deploy
Throne of Eldraine A fantastic inclusion to single-color or even two-colored decks, Throne of Eldraine is an expensive mana rock that adds a ton of value to your mana base
Ramp has existed from the beginning of the game, when Timmy first realized that Wild Growth let him play Craw Wurm a turn earlier