The rarer the card, the more powerful it typically is, but also the more CP it costs to craft
Mewtwo's inherent market demand as one of the most popular Pokemon in the franchise, combined with the supply constraints created by Shining Legends' distribution model and the premium quality of the Secret Rare treatment, has kept this card climbing steadily over the years with no indication of slowing down

Deck Cards 1 Effect Veiler 3 Tenyi Spirit Adhara 1 Chiwen, light of Yang Zing 1 Deskbot 001 3 Maxx C 1 Mecha Phantom Beast O-Lion 3 Ash Blossom and Joyous Spring 3 Swordsoul of Mo Ye 1 Nibiru the Primal Being 3 Swordsoul of Taia 3 Incredible Exxlesia the Virtuous 1 Archnemeses Protos 3 Swordsoul Strategist Longyuan 3 Tenyi Spirit Vishuda 1 Swordsoul Blackout 3 Tenti Spirit Ashuna 2 Vessel for the Dragon Cycle 3 Swordsoul Emergence 2 Called by the Grave 3 Crossout Designator 2 Heavenly Dragon Cycle 1 Nine Pillars of Yang Zing Extra Deck 1 Denglong First of the Yang Zing 1 Yazi Evil of the Yang Zing Swordsoul Supreme Sovereign Chengying 2 Baxia Brightness of the Yang Zing 1 PSY-Framelord Omega 1 Draco Berserker of the Tenyi 2 Swordsoul Grandmaster Chixiao 1 Chaofent Phantom of the Yang Zing 1 Baronne de Fleur 2 Monk of the Tenyi 1 Crystron Halqifibrax 1 Mecha Phantom Beast Auroradon Runick Runick is a more unique pick out of the top meta YuGiOh Master Duel meta decks, it relies on quick play spells

Sin's utility in certain matchups could make it a consideration for playtesting, but its high mana cost may limit its overall effectiveness in competitive play
At just one Ink to use his new Boost ability, its worth it