While Exclude is a fine card I find in building I would always prefer to run a mix of pure filler in the form of card quality and more precise and efficient answers
Sadly, the ability to get non-Forests to fix your color concerns likely will never come up since there are so many good colorless lands available for mono-color decks to take advantage of
Paired with another token generator like Tana, the Bloodsower, Tevesh Szat is a value engine and a win condition in one
While there were several competing styles of Survival decks around the time of its banning, the one that really ignited the controversy was Calebs Vengevine/Survival deck that would quickly put all its Vengevines into the graveyard, then play a couple of Basking Rootwallas for free, leading to extremely backbreaking assaults (frequently in the air, thanks to Wonder) that were immune to most forms of interaction
He also makes them attack every turn, which might not be the best option
(2004-10-04) Abeyance never prevents mana abilities from being activated