This tool has the niche use of allowing any Pokemon it is attached to that is affected by the Poison Special Condition to gain a ridiculous plus 40 to the Active Pokemon
If you don't dabble in cards, the game suggests, then you might as well take yourself to the edge of the island and throw yourself in the sea - that's how serious it all is
Basically, if your deck has green and a graveyard component, Eternal Witness will be there and will generate value
Guzma & Hala 193/236 - Cosmic Eclipse Guzma & Hala 193/236 - Cosmic Eclipse The Pokmon Company Search your deck for a Stadium card, reveal it, and put it into your hand
Zapdos #27 Pokemon Japanese Crimson Haze Keep track of your collection value over time
Channel lands, cycle lands, and fetchlands seem disgusting with this, not to mention the Field of the Dead-esque text