The sequence is as follows: cast Loam to get three lands, then play one of those lands, discard another, get Loam back with dredge 3
Though classic so-called 'pain lands' like City of Brass lack this drawback, the utility on offer with Starting Town is more than enough to make any deckbuilder turn their head
You can't put a Teferi's Moat out there for a long, long time against decks unknown with the knowledge that an enchantment removal or bounce spell will almost certainly kill you unless you are very brave, and once you start down the Moat road it's hard to stop
One thing Commander has lacked is a good way to discuss what kind of game you want to play, and this helps provide additional terminology
#5 Blighted Agent New Phyrexia, Common The vast majority of Infect creatures are almost laughably small and need buffs to actually do anything