Special Summon 1 "The Agent" monster from your hand or GY, except "The Agent of Life - Neptune", or, if "The Sanctuary in the Sky" is on the field or in either GY, you can Special Summon 1 "Hyperion" monster instead
[155] Wizards has also partnered with Marvel Comics to bring several "tent-pole" sets featuring Marvel characters to the game, starting with a Spider-Man themed set, which was released in 2025, and continuing with a Marvel Super Heroes set, released in June 2026
Pokemon TCG: Rival Battle Decks Release Date: May 16, 2025 The Pokemon Company International will release two new Pokemon TCG: Rival Battle Decks into retail on May 16, 2025 (see "Two 'Pokemon TCG: Rival Battle Decks'")
So, you cannot turn on cards from the side deck
Cause it's a shutdown Dragon