For one mana, it deals with any threat, combo, hate piece, or key card at instant-speed and for a very low cost, offering answers to permanents like Deafening Silence, Pithing Needle, Rest in Peace, High Noon and others for a very low cost in addition to disrupting combos like Omniscience with ease
Ramp decks such as this are perhaps the most famous archetypal green strategy
Legacy: 350-500 tix should cover most decks
And if that means Nevinyrral, Urborg Tyrant and/or Piru, the Volatile, live it up
This particular card has been signed by the man himself, a signature which includes a little drawing of Pikachu, making it one of the rarest Pokmon cards around