While there are several ways of building Overlords, such as using Render Inert or Zur, Eternal Schemer to animate them ahead of schedule, the deck usually works as a Domain deck because a single Overlord of the Hauntwoods can provide the full domain boost
Once The Great Henge's last ability has triggered, you'll draw a card even if you can't put a +1/+1 counter on the creature for some reason (most likely because it has left the battlefield)
Smaug the Impenetrable is a massive, indestructible dragon with a really cool ability
Parallel Lives (MAR) $25.50 Parallel Lives is a green Commander staple, considering that EDH players love junky artifact tokens and doubling tokens, myself included
Merfolk Lords Lord of Atlantis is one of Magic's most iconic creatures, with Master of the Pearl Trident serving as a functional reprint that doesnt pump your opponent's merfolk