If this is YOUR first time experiencing a standard rotation, lemme walk you through how someone might go about editing their bread and butter deck to keep it relevant in the Pokmon TCG
How to Check the Value of Pokmon TCG Cards.
Always buy booster boxes from trusted sellers to avoid fakes
It was the first one I found, not to mention the most noticeable
This lets you choose if you want the mana value to be equal, more (or equal) than, or less (or equal) than the specified number
(Each deals damage equal to its power to the other.) Cackling Prowler Rarity: Common TYPE: Creature SUBTYPE: Hyena Rogue CMC: 4 Mana cost: USD: $0.09 EUR: 0.08 TIX: 0.03 EDHREC RANK: 18326 (4/3) Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) Morbid At the beginning of your end step, if a creature died this turn, put a +1/+1 counter on this creature