yugioh extra deck sleeves Skull Servant even during intense dueling Yu-Gi-Oh! OCG Sleeves – Fusion

While there's not doubt that Green Sun's Zenith is a powerful card and would see play in Modern to add consistency to toolbox green decks with cards like Gaddock Teeg, Knight of the Reliquary, and Primeval Titan, in most situations, it isn't that much more powerful than Chord of Calling (which is instant speed and hits creatures of any color) or Collected Company (instant speed and hits two creatures, instead of just one)

Starting with sealed products from authorized retailers eliminates counterfeit risk entirely.

If something broke once, odds are greater that R&D will misjudge the same thing in the future

Despite Grixis Shadow being currently maybe the strongest deck in the format (thanks to Lurrus obviously) I think Deaths Shadow is not the correct way how you want to approach your tempo deck in the future