There are 11 energy types in the Pokemon TCG: Grass, Fire, Water, Lightning, Psychic, Fighting, Darkness, Metal, Dragon, Colorless, and Fairy (now merged into Psychic in modern formats)
The term "defending player" in the myriad rules (or any other ability of an attacking creature) refers to the player the creature with myriad was attacking at the time it became an attacking creature this combat, the controller of the planeswalker the creature was attacking at the time it became an attacking creature this combat, or the protector of the battle this creature was attacking at the time it became an attacking creature this combat
In contrast, META Supporter cards like Erika offer greater healing potential and are more valuable as staple cards in your deck
The Sliver deck would be more powerful if it played some number of permission spells, but one of the constraints I gave myself was that I wasnt going to play counters
Primeval Law makes it so that the opponent cant evolve their active Pokmon as long as Aerodactyl ex is in play
In addition, also brings about Curiosity effects