You can still play items, attach energy, and play tactically, but the moment you play down your Mega Evolution, it becomes your opponent's turn
Three incredibly powerful power couples, thats what
The rules text on cipher cards says, encoded on a creature you control, and though it might seems that means you are targeting your creature, you're not without the target language
However, I would have thought the protagonist from one of the series best games would be a prime candidate for some tight theming
In MTG, Companion is a keyword that allows you to put a specific card from outside the game into your hand, for three mana, as long as you build your deck to fit particular requirements
Suspected creatures have menace and can't block