This means that you can trade in a rare wildcard for any available rare card, an uncommon wildcard for any available uncommon card, etc
No grand strategy, no investment thesis
Graded Population Report: Tonberry #122 Visualize the distrbution of grades in the chart
This powerful artifact not only gives you a whole host of card advantage, but it can keep you alive in the late game, or slice your life total in half in the early game
"Oversize cards" is not a "set" by the usual Magic definition, but I'd guess your online store categorizes them that way to make it clearer to customers they're buying an abnormal card
However, its true strength comes from its evolution line, specifically Magneton and its Volt Charge ability