At the bottom right of every Pokmon card is the label 'Retreat Cost.' In exchange for discarding a set amount of Energy, retreating allows your Pokmon to move back to the bench, usually to avoid a knockout or to let a different Pokmon start attacking
Rooftop Storm Ill return to this card later in the Gravecrawler section, but look
Most recently I saw a player had By Invitation Only on top of their library, so I used Vivien to enable me to dig Sigarda out of my deck by casting a more expensive Angel
If your table actually wins and loses in the red zone, she absolutely belongs in conversations about the best Angel commanders in MTG
Although I guess if some cards are really breaking the border so much, they end up just becoming full art cards themselves Thats the world of Pokemon card alternate art
Use this in tandem with Blast Digivolve to move the memory gauge to your side during your opponents turn, disrupting their plans or forcing your opponent to end their turn when they least expect it