Pokémon Trading Card Game - Mysterious Fossil - EX: Holon Phantoms 92

(50 HP) Play Mysterious Fossil as if it were a Basic Pokemon. While in play, Mysterious Fossil counts as a Pokemon (as well as a Trainer card). Mysterious Fossil has no attacks of its own, can't retreat, and can't be affected by any Special Conditions. If Mysterious Fossil is Knocked Out, it doesn't count as a Knocked Out Pokemon. (Discard it anyway.)

At any time during your turn before your attack, you may discard Mysterious Fossil from play.