yugioh trading card sleeves Quarter Century 100CT – Northwest Sportscards patterned%20artwork%20of%20the%20emblem%20known%20far%20and%20wide%20as%20the%20symbol%20of%20the%20mighty%20Gold%20Pride%20 Elemental Hero - Card Sleeves

To address the huge winged elephant in the room: yes, Valgavoth is very expensive to cast

That seems like more mana than it's worth, but having my creatures enter with three +1/+1 counters can really help with blocking in the early and mid game

So Gravekeepers Spy was hugely meta defining in its day

Below, well list how to get new cards and then cover the strengths of each approach

While the term Alt Art or Alternate Art (AA) would become popular in the west, the term Special Art (SA) would be more commonly used in the east

From this, we can take an educated guess which the most valuable are going to be based on how popular the cards are both with players and collectors