Fiend Hunter and Palace Jailer are the clearest examples of solid, budget-friendly removal that's good for flickering, but most of the others aren't great as they're more in the vein of the temporary Banisher Priest
Kelsiens ability to ping a creature and gain experience when it dies is easy to break with a simple Basilisk Collar, and its vigilance means you can declare it as an attacker and still use the effect to one-shot a troublesome blocker
He is a five-mana (4W, 1C) 4/4 creature with Flying and Vigilance, but the true value of this card is in its passive ability, Cosmic Awareness
Near Mint quality copies of this card, which hails from the 2019 Pokmon TCG set Team Up, were selling for just $40 as recently as June 1, but now they cost $140 - a huge increase
This topic seems at first to be a weird subject, but thinking deeply enough about it will let you realize that it's about rebirth of a sort
It is the 11th expansion from the Sword & Shield series