Would you like help with casting things in that deck as well as pummeling your opponents
Meaning to answer the question on how many lands in a commander deck? should be as stated 28 + Commander CMC

Gallery and List of Battle Cards Invasion of Alara / Awaken the Maelstrom Invasion of Amonkhet / Lazotep Convert Invasion of Arcavios / Invocation of the Founders Invasion of Azgol / Ashen Reaper Invasion of Belenon / Belenon War Anthem Invasion of Dominaria / Serra Faithkeeper Invasion of Eldraine / Prickle Faeries Invasion of Ergamon / Truga Cliffcharger Invasion of Fiora / Marchesa, Resolute Monarch Invasion of Gobakhan / Lightshield Array Invasion of Ikoria / Zilortha, Apex of Ikoria Invasion of Innistrad / Deluge of the Dead Invasion of Ixalan / Belligerent Regisaur Invasion of Kaladesh / Aetherwing, Golden-Scale Flagship Invasion of Kaldheim / Pyre of the World Tree Invasion of Kamigawa / Rooftop Saboteurs Invasion of Karsus / Refraction Elemental Invasion of Kylem / Valor's Reach Tag Team Invasion of Lorwyn / Winnowing Forces Invasion of Mercadia / Kyren Flamewright Invasion of Moag / Bloomwielder Dryads Invasion of Muraganda / Primordial Plasm Invasion of New Capenna / Holy Frazzle-Cannon Invasion of New Phyrexia / Teferi Akosa of Zhalfir Invasion of Pyrulea / Gargantuan Slabhorn Invasion of Ravnica / Guildpact Paragon Invasion of Regatha / Disciples of the Inferno Invasion of Segovia / Caetus, Sea Tyrant of Segovia Invasion of Shandalar / Leyline Surge Invasion of Tarkir / Defiant Thundermaw Invasion of Theros / Ephara, Ever-Sheltering Invasion of Tolvada / The Broken Sky Invasion of Ulgrotha / Grandmother Ravi Sengir Invasion of Vryn / Overloaded Mage-Ring Invasion of Xerex / Vertex Paladin Invasion of Zendikar / Awakened Skyclave Best Battle Cards #5

One particular protection effect that has flown under the radar is now starting to get more love
Ruby cards have an aggressive approach to their playstyle, with abilities and effects that focus on boosting Strength or Willpower for Challenges against other Glimmers or giving the player extra Lore tokens from making Challenges and winning them
each players draws three cards, gains 3 life, and creates three 0/3 wall artifact creature tokens with Defender