cards like anger mtg MTGNexus Haste As long as Anger is in your graveyard and you control a mountain Anger (Secret Lair Drop)

This set of precons also brought a total of 17 unique cards for Commander with each deck, and the value of a lot of its cards is something to keep in mind when you consider cards like Deflecting Swat

One or two of these on the board can win you the game

I checked over the list multiple times and I feel like the only two cards that don't synergize and I feel are a bit weak as generic filler is Pull from Tomorrow and Destroy Evil

Its a bit more flexible while also often finishing a game

Creature Eldrazi Uncommon Tuan Duong Chu 3/5 NOT LEGAL Standard NOT LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern NOT LEGAL Predh Devoid (This card has no color.) Kicker (You may pay an additional as you cast this spell.) When you cast this spell, choose one

Ultimately, needing more lands actually still falls to your curve