Cryptbreaker, for example, ignores all Eldrazi shenanigans and focuses on discarding cards to create more Zombies to fill the board
It even has some cute interactions with Deaths Shadow and Lurrus, since you are able to loop the card by casting it every end step with Lurrus, and flashing Dress Down in after attacking with Deaths Shadow can give you lethal out of nowhere
Zone or 99: Both The Watcher in the Water Okay, this one takes a lot of work to do anything
Take the cards to a local games shop and tell the person behind the counter that you want to sell some cards
Barring the occasional comedic misfortune, its hard to top the value this tutor can provide
The most expensive of the bunch, Ifrit (Fury) is currently just shy of $600