This is, without a doubt, my personal favorite EDH deck that I have ever made
You can copy the second ability when non-tokens enter the battlefield, but you cant copy the first ability which chooses the type of counter Denry Klin has when it enters
Despite the presence of very similar options such as Soul-Guide Lantern in Standard already, there are still reasons for adding this classic version of the graveyard-exiler
If it's on the 5, it moves to the 4
Note that if you sacrifice a Clue during another players turn, you can make an opponents creature unblockable, so its cool you can play politics with the ability
Attacking, milling yourself, playing artifacts, exiling cards from graveyards, playing cards of a specific color or creature type any of these can become an effective subtheme for your Willowdusk engine