While it can be dealt with cleanly by a Swords to Plowshares, assuming you managed to hit a creature or planeswalker of theirs, they would have paid three cards (Swords, discarded card and creature/planeswalker) for your one (Entomb/Faithless Looting and reanimation spell offset by drawing a card)
These include: Adventurer's Guildhouse Arboria Backdraft Blight Blue Mana Battery Brine Hag Cathedral of Serra Cocoon Deadfall Eternal Warrior Floral Spuzzem Frost Giant Great Defender Green Mana Battery Heaven's Gate Hunding Gjornersen Ivory Guardians Kry Shield Land Tax Lord Magnus Mana Drain Marhault Elsdragon Mountain Yeti Presence of the Master Princess Lucrezia Puppet Master Rabid Wombat Radjan Spirit Ramirez DePietro Relic Bind Sea King's Blessing Seafarer's Quay Seeker Shimian Night Stalker Silhouette Sir Shandlar of Eberyn Sivitri Scarzam Spectral Cloak Spirit Link Sunastian Falconer Takklemaggot Tor Wauki Undertow Underworld Dreams Unholy Citadel Wall of Dust Wall of Light Wall of Putrid Flesh Wall of Tombstones White Mana Battery Additionally, the following cards will not be included: Alabaster Potion Barbary Apes Caverns of Despair Cleanse Craw Giant Darkness Flash Counter Gwendlyn Di Corci Imprison Invoke Prejudice Nether Void Pradesh Gypsies Pyrotechnics Relic Barrier Sylvan Library Wall of Opposition But everything else is fair game
Maybe the end with Magic 2014 Jund was a bit too good with Scavenging Ooze against the Abzan Aristocrats decks, but the format had more than enough flex to fight back if there was more time and iterations to develop against it
As normal, a lot of the new regional Pokemon from Paldea feature in the base set
That being said, however, recent statements from Hasbro CEO Chris Cocks heavily imply that Wizards is working on implementing the format
In particular, a couple of MTG cards in the spider tribe have shot up in price, thanks to the existence of Shelob, Child of Ungoliant
