This effect lasts indefinitely.) All men have their appointed time
This version of Sol Ring had one of the lowest Market Prices in March, which helped it show up in more players carts when they used Cart Optimizer
Khans of Tarkir and pull one of five fetchlands
I should note that Mark went with "Asmor" in his article but our commander is female and in Romance languages (originally derived from Latin) a name ending in a vowel usually denotes a woman's name

Open Hostility Saskia the Unyielding | Illustration by Greg Opalinski Commander (1) Creature (29) Wight of Precinct Six Den Protector Quirion Explorer Sakura-Tribe Elder Sylvok Explorer Korozda Guildmage Zhur-Taa Druid Selesnya Guildmage Mentor of the Meek Mirror Entity Alesha, Who Smiles at Death Taurean Mauler Managorger Hydra Wild Beastmaster Tymna the Weaver Wilderness Elemental Dauntless Escort Brutal Hordechief Charging Cinderhorn Thelonite Hermit Tana, the Bloodsower Iroas, God of Victory Mycoloth Ravos, Soultender Ankle Shanker Thunderfoot Baloth Stalking Vengeance Stonehoof Chieftain Primeval Protector Instant (12) Terminate Artifact Mutation Boros Charm Aura Mutation Abzan Charm Naya Charm Crackling Doom Grab the Reins Utter End Sylvan Reclamation Divergent Transformations Order // Chaos Sorcery (7) Farseek Rampant Growth Shamanic Revelation Grave Upheaval Treacherous Terrain Clan Defiance Lavalanche Enchantment (7) Blind Obedience Evolutionary Escalation Necrogenesis Beastmaster Ascension Everlasting Torment Frenzied Fugue Breath of Fury Artifact (8) Skullclamp Sol Ring Conqueror's Flail Fellwar Stone Gruul Signet Lightning Greaves Commander's Sphere Sunforger Land (36) Ash Barrens Caves of Koilos Command Tower Dragonskull Summit Evolving Wilds Exotic Orchard Grand Coliseum Gruul Turf Jungle Shrine Karplusan Forest Mosswort Bridge Nomad Outpost Orzhov Basilica Rootbound Crag Sandsteppe Citadel Savage Lands Spinerock Knoll Sunpetal Grove Terramorphic Expanse Windbrisk Heights Plains x3 Swamp x3 Mountain x5 Forest x5 Commander, Themes, and Strategy Open Hostility is all about aggression and combat damage

Since it's a creature in most zones, you can even reanimate it or tutor it up with Chord of Calling and similar effects