500 Years in the Future C 500 Years in the Future Purple 
Slow-Slow Beam Sword is a 2-cost Purple event from 500 Years in the Future (OP07-076-v1), C rarity. Tracked TCGPlayer market price: $1.42 as of 2026-06-18. Power 2000. Effect: [Counter] DON!! −1 (You may return the specified number of DON!! cards from your field to your DON!! deck.): Up to 1 of your Leader or Character cards gains +2000 power during this battle. Then, rest up to 1 of your opponent's Characters. [Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active. Foxy Pirates
Effect
[Counter] DON!! −1 (You may return the specified number of DON!! cards from your field to your DON!! deck.): Up to 1 of your Leader or Character cards gains +2000 power during this battle. Then, rest up to 1 of your opponent's Characters. [Trigger] Add up to 1 DON!! card from your DON!! deck and set it as active. Foxy Pirates
