mtg commander deck tester Magic: The Gathering March of The Machine including 1–2 card(s) of rarity Rare or higher and 3–5 Uncommon Test - Kotis, the Fangkeeper

Maintain a low mana curve with creatures of mana value 3 or less so you can also give them unblockable with The Eleventh Doctors mana ability

1 The Dross Pits

This is, perhaps surprisingly, a new archetype for mono-white in EDH, where Voltron strategies have largely been aura and equipment based, all the way back to Sram, Senior Edificer

And, while that is a great way to build him, Id say that you should be very keen on exalted synergies to complement how the newer Samurai care about attacking alone

FINAL FANTASY COMMANDER: BLACK I mentioned playable graveyard hate previously, and Espers to Magicite is another solid example