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People use proxies for testing new decks, to add spells that cost a real fortune to a certain deck, or even for safety reasons you dont want to have your expensive and unique cardboard stolen

The article also explains how to identify Summer Magic (white border, 1994 one-line copyright)

Pluto Guard Dog could be used in a similar way to how Lawrence Jealous Manservant and Chien-Po Imperial Soldier have been in Steel

These are not guaranteed for every attendee typically a limited number are distributed randomly among participants

The raw power of the Lotus quickly placed it among the games most impactful cards, appropriately called the power nine, which included other fast mana sources, plus incredibly cheap extra turns and card draw