And when outright victory is at hand, the only relevant tax on your opponent is one thats beyond their means to pay
There are quite a few one black mana instant spells in Magic that work to keep a valuable creature alive through certain death, and Bail Out is one of the more unique ones that the game has ever seen
Every time Feldon makes a robot or one of our creatures kills itself, as they are often wont to do, Lightning Coils gets a counter, and then eventually poof, it floods the board with tiny Ball Lightnings
Once it does, it can easily sweep through many of the toughest Pokemon in a single hit
So, players could end up losing money by opening them
I also have Demonic Tutor to grab another key land or a key synergy