In most cases it is better to continue playing to call their bluff because, if your opponent doesnt have a way to destroy Roots of Yggdrasil you can at least progress the game
Its squarely in Bracket 3, and it functions as a token/big-mana deck
Its ability to mega evolve in later games such as Pokmon X and Y, where it becomes a Water/Dark type, only adds to its allure and strategic depth
Fun fact: Diggersbys ears are so strong, they can even crush boulders
If you want to play poison now you'll pay a premium, otherwise you can wait a few months and save a few bucks as you put together your deck
Since decks that use the graveyard are equally useful, several decks, starting with Elemental Circulation, are receiving the mercy of angels arranged specifically for the theme