In addition, whenever a permanent card is put from Grolnoks owners library into their graveyard, that card is exiled with a croak counter on it
Although there are no Rock-type Pokemon in the TCG, they are replaced with the Fighting Energy, which groups together Rock, Ground & Fighting types
There is one that players have been consistently subbing in, and there is one I actually like using a bit better, depending on the circumstance
A deck built around Eruth, Tormented Prophet can run a quasi-infinite combo with Birgi, God of Storytelling, Underworld Breach, and Burning Inquiry
However, some of these benched utility Pokmon are so important that they make the drawback of playing them feel worthwhile throughout a match
A deck that focuses on ramping up mana quickly, such as a green ramp deck, would benefit from using Explore as it allows for playing an additional land and drawing a card in the same turn, providing both card advantage and mana acceleration