During my opponent's turn, my "OP10-090 Franky" was K.O.'d, and I activated its [On K.O.] effect to play "OP04-092 Rebecca" before the activation of this Leader's [Opponent's Turn] effect
The punnery of the title aside, Magma Opus illustrates the character Wizards design teams wanted to impart to Prismari College: magic should be used for grand gestures, masterpieces of expression
The second is with phasing effects like Teferi's Veil
Top 5 Price IncreasesPKMN Cards $30 or Less #5 Marshadow Set: Cosmic Eclipse Printing: Normal Increase: +$20.22 Current Market Price: $20.72 In the current Pokmon market, seemingly random cards can spike tremendously if a group of online speculators agrees its a clever dark-horse bet for whatever reason
As for Inner Sanctum, It's certainly a powerful effect, but just make sure your deck is suited to run it
Despite this risk, the Pokedex card typically provides valuable insight to the player