one piece card game op 07 Piece: 500 Years in the Future OP-07 Booster Box because with OP One Piece TCG OP-07 Don

If the spell is countered, you dont get the addendum bonus

Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures

Once Harmonized Crescendo starts to resolve, players can't respond to the choice or take any actions until Harmonized Crescendo finishes resolving

This already would be plenty to celebrate, but Wizards didnt stop there

A "creature source" is a permanent, spell, or card in any zone with the card type "creature." For example, Echo's ability can target a cycling ability you've activated if the discarded card is a creature card

This is a fine sideboard option for the matchup but may not be enough to stop Dredge moving forward