Good rare options include the power 9, cards from the reserved list (proxied, of course), or cards that are banned in certain formats
to 9:00 p.m., is Trade Night, sponsored by Crossing
Other than that, the end step is a very straightforward step: You get priority, can perform any instant-speed action, and everything happens like in other phases
I think Fervor could see an uptick on the basis of utility since its cheaper than worse rares that are played less in EDH

Artifacts (24) 1 Arcane SignetArcane Signet 1 Conduit of WorldsConduit of Worlds 1 Coveted JewelCoveted Jewel 1 Gilded LotusGilded Lotus 1 Hammer of NazahnHammer of Nazahn 1 Heart-Shaped HerbHeart-Shaped Herb 1 Helm of the HostHelm of the Host 1 Kimoyo BeadsKimoyo Beads 1 King Solomon's FrogsKing Solomon's Frogs 1 Midnight Angel ArmorMidnight Angel Armor 1 Mind's EyeMind's Eye 1 N'Yami-Class Mother ShipN'Yami-Class Mother Ship 1 Panther HabitPanther Habit 1 Royal Talon Fighter JetRoyal Talon Fighter Jet 1 ScourglassScourglass 1 Shuri's FabricatorShuri's Fabricator 1 Sol RingSol Ring 1 Sword of the AnimistSword of the Animist 1 The Spear of BashengaThe Spear of Bashenga 1 Thran DynamoThran Dynamo 1 Trading PostTrading Post 1 Vibranium Mining MechVibranium Mining Mech 1 Vibranium Strike GauntletsVibranium Strike Gauntlets 1 Whispersilk CloakWhispersilk Cloak Enchantments (2) 1 Divine VisitationDivine Visitation 1 Greater GoodGreater Good Lands (38) 1 Bountiful PromenadeBountiful Promenade 1 Canopy VistaCanopy Vista 1 Command TowerCommand Tower 1 Evolving WildsEvolving Wilds 12 ForestForest 1 Fortified VillageFortified Village 1 Path of AncestryPath of Ancestry 12 PlainsPlains 1 Razorverge ThicketRazorverge Thicket 1 Scattered GrovesScattered Groves 1 Scavenger GroundsScavenger Grounds 1 Sungrass PrairieSungrass Prairie 1 Sunpetal GroveSunpetal Grove 1 Terramorphic ExpanseTerramorphic Expanse 1 The Great MoundThe Great Mound 1 Throne of the High CityThrone of the High City Precon Card Upgrades Cards to Cut Fleecemane Lion Cut from 73.9% of decks Divine Visitation Cut from 71.7% of decks Palace Jailer Cut from 63.2% of decks Martial Coup Cut from 54.2% of decks Queen Mother Ramonda Cut from 53.3% of decks Loyal Guardian Cut from 52.7% of decks Harmonize Cut from 50.5% of decks Greater Good Cut from 49.1% of decks Coveted Jewel Cut from 47.2% of decks M'Baku, Jabari Chieftain Cut from 46.9% of decks Conduit of Worlds Cut from 46.0% of decks Meteor Golem Cut from 43.4% of decks Trading Post Cut from 42.9% of decks T'Chaka, Venerable King Cut from 40.6% of decks Ingenious Smith Cut from 40.6% of decks Loyal Retainers Cut from 37.3% of decks Nakia, Wakandan Operative Cut from 37.1% of decks Hatut Zeraze Strike Force Cut from 31.9% of decks Bast, Panther Goddess Cut from 28.4% of decks Everett K

I think anyway you can gain passive lore in this game is a good thing to be doing