You could pump them with things like Rancor to enable them to smash more easily
Oloro, Ageless Ascetic Lifegain Oloro, Ageless Ascetic | Illustration by Eric Deschamps Commander (1) Planeswalker (1) Creature (20) Archivist of Oghma Aven Mindcensor Ayli, Eternal Pilgrim Blood Artist Crested Sunmare Dark Confidant Dauthi Voidwalker Drannith Magistrate Elesh Norn, Grand Cenobite Esper Sentinel Grand Abolisher Grand Arbiter Augustin IV Kambal, Consul of Allocation Kunoros, Hound of Athreos Ledger Shredder Linvala, Keeper of Silence Opposition Agent Serra Ascendant Venser, Shaper Savant Vito, Thorn of the Dusk Rose Instant (15) Ad Nauseam Beacon of Immortality Counterspell Cyclonic Rift Dovin's Veto Enlightened Tutor Force of Negation Force of Will Mana Drain Mystical Tutor Reality Shift Swords to Plowshares Teferi's Protection Trickbind Vampiric Tutor Sorcery (8) Damn Demonic Tutor Exsanguinate Farewell Grim Tutor Toxic Deluge Vindicate Windfall Enchantment (13) Authority of the Consuls Black Market Connections Blind Obedience Bloodchief Ascension Celestial Mantle Darksteel Mutation Exquisite Blood Necropotence Rhystic Study Sanguine Bond Smothering Tithe The Meathook Massacre Wound Reflection Artifact (9) Aetherflux Reservoir Alhammarret's Archive Arcane Signet Bolas's Citadel Chrome Mox Mana Vault Sol Ring Uba Mask Well of Lost Dreams Land (33) Ancient Tomb Arid Mesa Bloodstained Mire Bojuka Bog Cabal Coffers City of Brass Command Tower Exotic Orchard Fabled Passage Flooded Strand Gemstone Caverns Godless Shrine Hall of Heliod's Generosity Hallowed Fountain Island x2 Marsh Flats Misty Rainforest Plains x3 Polluted Delta Prismatic Vista Reliquary Tower Scalding Tarn Strip Mine Swamp x2 Urborg, Tomb of Yawgmoth Urza's Saga Verdant Catacombs Watery Grave Windswept Heath Ive always been a fan of turtle-y cozy Commander decks, and no card does it better than Oloro, Ageless Ascetic
While this is before my Magic playing days, it seems that the Arena League was broken down into several inconsistently named seasons each year
A lot of these are going to be opened, which will make these cards a lot easier to access for players right before the release of the straight-to-Modern Tales of Middle-Earth set
