pokemon card mismagius Diamond & Pearl Rare #10 Psychic Psychic Ominous Prose Your opponent reveals their hand 068/193}Mismagius (Energy Mirror) | Japanese

Unwavering Initiate: seems really good in Limited

You could make an argument for Force of Negation being closer to this card since its easier to cast, but this answers anything at any time as long as your deck is mostly the best color in the game

promo card, along with either a Charizard, Blastoise, or Venusaur promo card

The aggro players would love to have it at a moment when their hand is empty, so they could still push their game forward

This infinite loop only lasts the turn so make it count with storm or artifactfall

While I would auto-include it in a Zombie Tribal deck, I'm not sure it's worth a slot here, but I do intend to test it