Runo Stromkirk works best with Leviathans, Krakens, Octopuses, and Serpents, so be sure to pair him with appropriately blue monsters
Discover a new Luffy Leader card, as well as new character cards featuring their Egghead outfits
It's not a particularly close contest with the third most valuable Strip Mine either, especially when compared to Strip Mine #130, which is almost $100 more
Honorable Mentions It wouldnt be fair to have the conversation about countering spells without mentioning some of the most format defining cards
And some, like Solemn Simulacrum, do both
Mind you, these are all just my opinions and Im not a competitive TCG player nowadays, but hopefully it gives you some inspiration if youre newer to the card game and are looking for some potential strategies