Secret Lair returns to the Commander format with the that doubles down on the flipping fun of double-faced cards (DFCs)including your commander

Here are some recommendations for some budget upgrades that fit with the Go Wide strategy, Cat Tribal, or generally good cards: Ramp: Sakura-Tribe Elder, Rampant Growth, Farseek, Nature's Lore, Kodama's Reach, Explosive Vegetation, Skyshroud Claim, Rhonas's Monument, Tempt with Discovery, Urza's Incubator Card Advantage: Rishkar's Expertise, Hunter's Insight, Life's Legacy, Greater Good, Lifecrafter's Bestiary, Sylvan Library Protection: Vines of Vastwood, Heroic Intervention, Asceticism, Leonin Abunas, Fleetfoot Panther, Whitemane Lion Disruption: Enlightened Ascetic, Felidar Cub, Aura Shards, Scavenging Ooze, Watchers of the Dead, Swords to Plowshares, Dromoka's Command, Beast Within, Return to Dust, Wrath of God, Day of Judgment, Austere Command, Rest in Peace, Relic of Progenitus, Nature's Claim, Sylvan Reclamation Recursion: Regrowth, Remember the Fallen, Seasons Past, Praetor's Counsel, Eternal Witness, Skullwinder, Emeria, the Sky Ruin, Emeria Shepherd, Sun Titan, Greenwarden of Murasa Tutors: Survival of the Fittest, Green Sun's Zenith, Chord of Calling, Eladamri's Call, Worldly Tutor Big Hitters: Skyhunter Skirmisher, Adorned Pouncer, Chameleon Colossus, Rhonas the Indomitable, Nylea, God of the Hunt, Ajani, Caller of the Pride, Elspeth, Knight-Errant, Duelist's Heritage, Citadel Siege I Win: Lost Leonin, Grafted Exoskeleton, Berserk, Overwhelming Stampede Infect is a controversial mechanic in Commander, but I would be remiss if I didn't mention how good Lost Leonin and Grafted Exoskeleton are with Arahbo, Roar of the World

Lose a ton of life
Karumonix, the Rat King Karumonix, the Rat King gives every rat toxic 1, which creates a new way to win that doesnt care about life totals
You can bounce them to hand, exile, send to the graveyard, or shuffle back into your deck and they won't disappear (as token copies do)
Its always vital to have enough card draw spells in your EDH decks so that you always have resources for keeping a strong board state