what does rr mean in japanese pokemon cards Why are worth so much less : r/PokemonCardValue Here is what the letters

Feautured with a special illustration celebrating the 29th anniversary of the series! MSRP USD $10.00 Contents 2 card types in total Normal version (The same bonus item that came with Weekly Shonen Jump Issue 33) 4 Premium version (Featured special card finish) 4 *Product details may differ from the actual product

That means in general you don't want to dredge this

Kaervek is the single most feared Black and Red card ever printed

Commander Decks Reimagine your favorite characters with this favorite multiplayer Magic format

While the occasional resolution of this card does fail (resulting in a Sad Naus, if you will), Ad Nauseam is the best Black card in competitive Commander format