Oh man, so many of them, mostly for my Depala and Teysa decks however, sadly there isn't much new toys for Lazav so far.
I need a Talisman of
Conviction and a Talisman of Hierarchy for Depala/Teysa.
Eventually I'll most likely need 3x
Prismatic Vista for all three of my decks (It's just such a good card in 2-color decks, no way around it).
I'll need a
Silent Clearing and a
Sunbaked Canyon, again for Depala / Teysa (FINALLY some new enemy-colored lands!).
And finally, the newly revealed Hall of Heliod's Generosity will be great in my Teysa deck, since it has so many enchantments that are prime targets for removal (
Darkest Hour,
Grave Pact,
Smothering Tithe, etc.).
Also, that's just me being picky but I'd like to get my hands on
Altar of Dementia to get it with the new border.