[Start of Your Turn] effects trigger and activate before cards are unsuspended for the unsuspend phase
For example, if your favorite Pokemon is Umbreon, you can find out which cards you should buy to use in a deck

Sort Rarity Snivy #RC1Common $3.15 Servine #RC2Common $2.45 Serperior #RC3Uncommon $4.57 Growlithe #RC4Uncommon $21.66 Torchic #RC5Common $8.16 Piplup #RC6Uncommon $14.38 Pikachu #RC7Uncommon $91.46 Ralts #RC8Common $8.86 Kirlia #RC9Common $6.01 Gardevoir #RC10Uncommon $13.56 Meloetta EX #RC11Ultra Rare $14.35 Stunfisk #RC12Uncommon $5.51 Purrloin #RC13Uncommon $8.02 Eevee #RC14Uncommon $31.59 Teddiursa #RC15Common $5.63 Ursaring #RC16Common $8.38 Audino #RC17Common $5.19 Minccino #RC18Common $8.65 Cinccino #RC19Uncommon $11.69 Elesa #RC20Common $2.16 Shaymin EX (Full Art) #RC21Ultra Rare $49.29 Reshiram (Full Art) #RC22Ultra Rare $173.46 Emolga (Full Art) #RC23Ultra Rare $84.51 Mew EX (Full Art) #RC24Ultra Rare $232.62 Meloetta EX (Full Art) #RC25Ultra Rare $38.24 Mew EX (Full Art) #RC24Ultra Rare $232.62 Reshiram (Full Art) #RC22Ultra Rare $173.46 Pikachu #RC7Uncommon $91.46 Emolga (Full Art) #RC23Ultra Rare $84.51 Shaymin EX (Full Art) #RC21Ultra Rare $49.29 Meloetta EX (Full Art) #RC25Ultra Rare $38.24 Eevee #RC14Uncommon $31.59 Growlithe #RC4Uncommon $21.66 Piplup #RC6Uncommon $14.38 Meloetta EX #RC11Ultra Rare $14.35

Denry Klin, Editor in Chief Stop the presses
thatdudeguy: and Im including the Return To encounter cards, which will also be new to me past the first scenario
Overall, Latias ex might only have niche applications in a few decks, but its utility is incredibly useful, and it is at the core of the gameplan for Basic Pokmon decks in the 2025 format