Arcades, the Strategist is a classic toughness matters and is still one of the premier choices from the archetype. This allows you to run a high density of low cost high toughness creatures that attack with great effectiveness.
Custom Powerful Atraxa Infect MTG Commander EDH Deck w/ Sleeves and Deck Box
MTG Commander EDH Deck: Bello, Bard of the Brambles
MTG Commander EDH Deck: Chatterfang, Squirrel General
MTG Commander EDH Deck: Kotis, the Fangkeeper - Voltron
MTG Commander EDH Deck: Eluge, the Shoreless Sea