pokemon cards that are rare Rainbow Secret What's your most valuable Pokémon

His top level is a savagely powerful game ending threat and his middle level is a very healthy midway point between the others

Mana Cannons

During your opponent's Main Phase, if a card(s) is added from the Main Deck to their hand (except by drawing it) and this card is in your hand, you can: Immediately after this effect resolves, Tribute Summon this card

That's not even getting into the likes of Grief, which was banned in Modern and Legacy, or Arcum's Astrolabe - a mana fixer so efficient it was banned in three different formats

Monkey Trio If you have Simisage, Simisear, and Simipour in play, ignore all [Colorless] Energy in the costs of attacks used by this Pokmon