1st pokemon card set of Edition Pokémon, graded PSA 10, sells for record $911k Fanatics Collect | Trading Cards,

If you do control your commander, then you get to put a +1/+1 counter on each Creature you control at the beginning of your combat step

One of the hallmarks of broken cards is being able to convert resources at no cost, and Bartered Cow is just that

Phyrexia: All Will Be One Commander Deck - Rebellion Rising- 31.95 at Magic Madhouse Phyrexia: All Will Be One Commander Deck - Rebellion Rising- $40 at Amazon US Kamigawa: Neon Dynasty Commander Deck - Upgrades Unleashed If you want to go all-in on artefacts and equipment, then this Green and Red deck from last year's Kamigawa: Neon Dynasty set should satisfy that desire

Since infect puts -1/-1 counters on creatures it deals damage to, this allows Yawgmoth to act as removal so long as you have a sacrifice outlet