You can then play the card from exile for its regular cost for as long as it remains exiled
X/-X is never going to feel super efficient, but its an instant and it scales all game, so I think its premium
(If a permanent with a finality counter on it would be put into a graveyard from the battlefield, exile it instead.) POWER/TOUGHNESS 3/5 ILLUSTRATOR osamu LEGALITIES Standard Future Historic Timeless Gladiator Pioneer Modern Legacy Pauper Vintage Penny Commander Oathbreaker Standardbrawl Brawl Competitivebrawl Alchemy Paupercommander Duel Oldschool Premodern Predh Tlr LANGUAGES DE EN ES FR IT JP RULINGS 2025-06-06 Multiple finality counters on a single permanent are redundant
For the best tutorial pack, we recommend the Mewtwo Pack
its always worth consulting sites such as TCG Player to ensure what you have, or what youre buying, is the exact same card
For this reason, theres a huge amount of attention around two-card combos