what was the first secret rare pokemon card - Mew ex 205/165 - Pokemon 151 - The very first Pikachu card

Weakness: Grass (x2) Resistance: none Retreat: 3 #113 Diggersby Fighting HP140 Stage 1 Evolves from Bunnelby [C][C] Mud-Slap: 50 damage

Only if they target your opponent or their permanents

Being able to tutor anything you want into your graveyard for a single mana makes it pretty easy to reanimate something like Atraxa, Griselbrand, or Archon of Cruelty on Turn 1, which is incredibly hard to beat

If you need copies, your cheapest option is Theros: Beyond Death at just over $3

Since the first original printing of this card was only given to the winners of that specific tournament (and theres only about 75 or so floating around), its easy to see why the Magikarp Tamamushi promo card is worth anywhere from $15,000 to $20,000 today