Exploding Borders, for example, deals damage based on how many different basic land types you control (if you control only swamps, it deals 1 damage, but does 5 if you control one land of each basic type), while Worldly Counsel lets you look at more cards from the top of your library the more different basic land types you control
Trudged through the marshy swamplands, until she had left it all behind
Further to that the value, rather than being in card form as per a Sea Gate Oracle style card, is in the form of bodies on the ground
It costs an average of $37
Theres also a variety of cards that get larger as you sacrifice permanents, like Carmen, Cruel Skymarcher and Elenda, the Dusk Rose, which provide essential board presence as you churn through creatures on board