Youll want a fair amount of protection spells to keep Finneas safe since you need to be attacking a lot with him, but once you get going, theres not much your opponents can do to stop you
You're Not Alone Magic Damper Syncopate Thunder Magic Restoration Magic Brainstorm Stolen Uniform Fatal Push Lightning Bolt Coral Sword Fire Magic Nature's Claim Tifa's Limit Break Louisoix's Sacrifice Dark Ritual Instant Ramen Slash of Light Dreams of Laguna Ice Magic Vayne's Treachery Vincent's Limit Break Haste Magic Blitzball Shot Ambrosia Whiteheart Battle Menu Counterspell Deadly Dispute Opera Love Song Self-Destruct Galuf's Final Act Dovin's Veto Fate of the Sun-Cryst Stuck in Summoner's Sanctum Fight On
Then get a mix of packs from the sets that are in the current Standard rotation: Wilds of Eldraine , The Lost Caverns of Ixalan , Murders at Karlov Manor , Outlaws of Thunder Junction , Bloomburrow , Duskmourn: House of Horror , Foundations , Aetherdrift , Tarkir: Dragonstorm , Final Fantasy , Edge of Eternities , Spider-Man , Avatar: The Last Airbender , Lorwyn Eclipsed , and Teenage Mutant Ninja Turtles
Secrets of Strixhaven - best for Standard, Commander and spell-based decks
It's great for landfall decks that constantly throw lands out, and it's great for slower decks that just need to ensure they get some kind of ramp each turn
With cards like Selvala, Heart of the Wilds and Rishkar, Peema Renegade, you can turn your creatures into additional sources of mana, further fueling your growing swarm