As part of the games streamlining of set legalities, products are being split between eternal-legal, or legal in all formats, with Universes Beyond being legal in all formats
Zombies often care about the graveyard and are ripe for sacrificing since they come in great numbers, which you can easily exploit with Undead Augur and Archghoul of Thraben
If you decide to keep her away from the action, she can quest for a single lore - but, again, with the right cardplay, you might be able to send her questing multiple times in the same turn, stacking up a bigger pile of lore
Out of the Tombs is a unique self-mill card that replaces decking yourself out with reanimating a creature from your graveyard
Just looking at collecting foil rares: it would take opening most of a display box of Double Masters boosters to get two foil rares