For example, in a game of Mystery Booster 2 Limited, Toralfs Disciple can conjure Lightning Bolts into your deck, even though the card Lightning Bolt isnt found in Mystery Booster 2 and isnt normally legal in the Limited format
Mirror Entity Speaking of cards that have seen competitive play, the Mirror Entity was a staple of kithkin aggro back at the beginning of the now-extinct extended format
Don't be deceived by the lack of flashiness, though - this card packs a major Constructed punch
A few turns later, I managed to clean house on their side of the board with a combination of instant effects and character challenges, overtaking them for the win
As such, its quite a bit harder to profit by simply buying Pokemon booster packs in stores and reselling them
This isnt quite as interesting as Aven Extortionist, but with certain decks it could potentially give you up to 12 cards each turn