You dont need a big reason, just a real one: Snapcaster Mage alongside removal, countermagic, and so on
Identifying first edition Pokmon cards A handful of rare Base Set Pokmon cards like Charizard, Blastoise, Chansey, etc are the holy grail for most Pokmon TCG collectors, but there were a number of different Base Set printings
Saproling Burst: Old card with clumsy wording but for Slimefoot's purposes you can basically drop it on the board, gain 7 saprolings by removing all the Fading triggers thus killing the enchantment, which in turn destroys the tokens made with it
Landorus ex AA Grounded power, $140$220
In our recent Quarterly Update, I dropped a bit of a teaser for a project were working on