Titania, Protector of ArgothTitania, Protector of Argoth has a similar cost and ramping effect to Ulvenwald HydraUlvenwald Hydra, and combines nicely with all the HarrowHarrow effects present
Tireless Tracker has long been one of the best green creatures, and it just so happens to hit right under four mana for Collected Company
The first lets us play our lands from our graveyard and that's Crucible of Worlds on enchantments for that deck to love another or an enchantment version
Only a handful of cards from across Magic history allow you to subvert Commanders rules in this way, but they allow us to explore a completely alien approach to deckbuilding in the format
Sure, they still need to feast on the blood of humans to survive, but rather than feared, theyre revered as both societal leaders and holy beings
Both of these are worthy of being a three-mana spell on their own, but having them both on one card makes this a great card against a lot of different decks, and you can play it without worrying about what it is your opponent might be doing