The card is technically one of, if not the best, Spiders in Commander, especially for cards that are currently legal in the format
Conjuror's Closet), Strionic Resonator, and obviously great if you can Threaten your opponent's creature and sacrifice that instead
This is a more compact cantrip that lets you sculpt the top of your deck without needing additional effects
However, for a valid deck you need to fulfill all the following requirements: There is at least 1 Basic Pokemon (Fossil does not count as a Basic Pokemon) Players can only put at most 4 cards of the same name, unless they are Basic Energy cards that you can put as many as you want
In Limited, to Deck the Opponent In Constructed, decking your opponent because you were playing 61-plus is not a realistic thing