Obstinate Baloth isnt the freight train that he used to be for his size in most formats, but in The Brothers War a 4/4 for 4 is not common (Greens only common 4 power creature for example is a 4/2), and it gives him, and other green monsters effective hitting power
I could have looked into instants and sorcery spells as well, but games of EDH can go long, and I always try to lean more on repeatable effects than single use effects
We want them vampires for cheap If many inexpensive vampires are packed into the deck, a protective wall can be built up in the early rounds thanks to the additionally generated tokens, until more expensive creatures like Malakir Bloodwitch or Olivia Voldaren can be brought into play later on to shift the balance of power in ones own favour
Perhaps all they would need to do is add some accessible locations earlier on that dont have to include legendaries, but can include ice Pokemon
"How to Play 'Magic: The Gathering': The Stack"