White:
Aven Riftwatcher -> Inspiring Overseer
Stalwart Valkyrie -> Celebrity Fencer
Seeker of the Way -> Raffine's Informant
Faith's Fetters -> Boon of Safety

Blue:
Witching Well -> Make Disappear
Hieroglyphic Illumination -> Rooftop Nuisance

Black:
Morgue Theft -> Join the Maestros
Sinuous Vermin -> Crooked Custodian

Maybe: Fake Your Own Death

Red:
Plundering Barbarian -> Witty Roastmaster
Skophos Reaver -> Wrecking Crew

Green:
Scion Summoner -> Jewel Thief
Titanic Brawl -> Prizefight
Track Down -> Warm Welcome
Hooting Mandrills -> Rhox Pummeler

Maybe: High-Rise Sawjack

Multicolor:
Lava Zombie -> Body Dropper

Colorless:
Vulshok Morningstar -> Chrome Cat

Lands:
Blossoming Sands -> Botanical Plaza
Rugged Highlands -> Racers' Ring
Glacial Floodplain -> Skybridge Towers
Sulfurous Mire -> Tramway Station
Ice Tunnel -> Waterfront District

Mostly replacing snows with the new lands. Three Visits and Nature's Lore are able to fetch non-basics, so I left the snow forests since they're fetchable.