Since the tokens also have myriad, attacking with each of them will cause that myriad ability to trigger, causing the Master to, well
Equip Legendary Artifact - Equipment Color tag templates(None) Buster Sword Equipped creature gets +3/+2
That'll keep away larger sized dorks but smaller armies but larger going-wide ones like a token horde won't care to sacrifice a 1/1 Soldier
A 2/3 with ward 2 and flash, whenever an opponent's creature triggers an 'enters the battlefield' (ETB) ability, you can copy that trigger, choosing new targets for your copy
Use discard, mill, and other effects to fill your graveyard, then rise form ashes in triumph
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