The Standard version of Dredge looked to use discard outlets like Llanowar Mentor, Merfolk Looter, and Magus of the Bazaar to get dredgers like Golgari Grave-Troll, Stinkweed Imp, and Life from the Loam into the graveyard
Its first mode is basically just Call the Coppercoats, which is solid enough, but if your Commander is on the field, then you also get to kill one of your opponents creatures for free
It provides a stable base of destruction and control
The Wandering Minstrel Rarity: Rare TYPE: Legendary Creature SUBTYPE: Human Bard CMC: 2 Mana cost: USD: $1.16 EUR: 1.48 TIX: 0.02 EDHREC RANK: 6251 (1/3) Lands you control enter untapped
Giving your opponents free cards isnt the best, but the Snakes will no doubt make up for it
If it weren't so expensive, it would be in most Commander decks as well (assuming you're in a bracket that allows game changers)