psa card display case Frame A hard shell exterior 48 Card Display – Mix

And they can cast it again for an extra two mana cost

To top it off, Swarm is legendary and therefore immune to Cast Down

PS Platinum Secret Rare QCSE Quarter Century Secret Rare Blue-Eyes White Dragon X LIGHT Level 8 [ DragonNormal ] ATK 3000 DEF 2500 This legendary dragon is a powerful engine of destruction

This bulk approach bypasses the thrill of opening the sealed pack and the very low chance of obtaining ultra-rare cards but it provides you with maximum number of cards for minimum amount of money

The best stax lists get around this by being explosive and applying continual pressure along as many resource axis as possible, as is the case with Winota, Joiner of Forces

The flexibility for casting this card and the mana you generate when it taps is why I include it so high in this ranking