Each Collector Booster contains: An opportunity to open a card from 1994's Legends set (found in 3% of Dominaria United Collector Boosters) 1 Traditional foil Booster Fun rare or mythic rare that could have extended-art, showcase stained-glass, borderless art, or Phyrexian-language treatments 2 Alternative-border rares or mythic rares that can be showcase stained-glass, borderless, Phyrexian-language, or foil-etched or non-foil versions of the rare Legends Retold cards 1 Extended-art rare or mythic rare 1 Traditional foil rare or mythic rare 1 Guaranteed textured foil in either uncommon, rare, or mythic rare 1 Uncommon non-foil or foil-etched Legends Retold card 1 Uncommon traditional foil showcase stained-glass card 1 Traditional foil full-art stained-glass basic land 2 Traditional foil uncommons 4 Traditional foil commons, unless one is replaced by a Lost Legends card Draft Boosters Dominaria United Draft Boosters are designed for that perfect Draft or Sealed play experience, but just like Set and Collector Boosters, every single Draft Booster in Dominaria United contains a legendary creature, perfect for defending the plane from a threat to the Multiverse

While its not free card draw, Library effectively lets you scry 3 during your draw step
Sure, costing 5 does mean you can only run so many, unlike the Packmate which had Foretell, making it much easier to jam a bunch of them into your deck, but you should still value that first 1-2 copies pretty highly
It would be nice to see FF4 characters like Porom and Palom also get their own MTG cards, as well as other significant characters who had to be left out throughout the entire franchise
Opponents of this card are usually concerned about new, powerful designs homogenizing the Commander format, and Archaeomancers Map is definitely an efficient enough card to be a talking point in that conversation
With no life loss and no tapped condition, they provide clean, efficient fixing for two-color decks that value simplicity and speed