While in the current era of Mentors, Workshops, and Paradoxes this isnt the case, there was a long period of time where games revolved around singletons
There are 77 of them available as part of the Final Fantasy Universes Beyond run with MTG, and we already know that someone was lucky enough to pull one - and then resell it for around $40,000
There are a few ways to stop it, basically anything that counters an activated ability, but theyre not super common in Commander
Once transformed, Esper Terra can copy Overlord of the Balemurk for additional value and further combo potential
The few exceptions to this include when you need a Life from the Loam to get land cards back from your graveyard, or occasionally when you need to cast a Darkblast to deal with an important creature
Round out your collection, engage in some friendly competition with your playgroup, or both