digimon classic collection card list price Game EX-01 Box : Toys & Games 20 Uncommons Digimon - Classic Collection

Sturdy, resilient, and can withstand heavy shuffling

Promo Info EXTRA BOOSTER CHAIN OF LIBERATION [EX-08] CLOSECLOSE EX8-044 SR Digimon Lv.6 HerculesKabuterimon ACE Color Green Form Mega Attribute Vaccine Type Insectoid/NSp DP 11000 Cost 6 Digivolve Cost 1 3 from Lv.5 Digivolve Cost 2 - Upper Text [Digivolve] Lv.5 w/[NSp] trait: Cost 3 [Hand] [Counter] Blast Digivolve (Your Digimon may digivolve into this card without paying the cost.) [On Play] [When Digivolving] You may suspend up to 3 Digimon

The economic problem is concentration, not duplication by itself

Cancel is the prime example of this

The Rule of Four : You can have no more than four copies of any unique card