Kiki-Jiki, Mirror Breaker is a famous combo piece that goes infinite with cards like Pestermite or Deceiver Exarch
Im targeting all these cards in the $1-$3 range, and I suspect theyll all make fine long-term holds
Kaido is good for Rebecca and Enel MU
It works better in 1v1 formats when you need to hate a specific land, like Nykthos, Shrine to Nyx or Urza's Tower
If, during its controller's declare attackers step, that creature is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under its controller's control continuously since that player's turn began, then that creature doesn't attack
While I was hoping to focus a good portion of this article on decks involving The Book of Exalted Deeds, but just as I was ready to hit publish, I was alerted to the fact that the card had just been banned