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Mercadian Masques Mechanics The whole Masques block was a bit unusual in that there were almost no new keyword abilities added to the game: Mercadian Masques and Prophecy added zero new keywords and Nemesis added a single one, Fading

Thats not the current situation, but its something to keep in mind for larger conversations around a format

For purposes of rarity, all U1's (cards that appear once on the uncommon sheet) are considered rare

Batterskull is a five-mana Equipment with Living Weapon, creating a 0/0 Germ that enters attached and immediately becomes a 4/4 thanks to the +4/+4 boost

Im also including player-to-player trading sites like Cardsphere.com under this bracket because they fit here more than other marketplaces like Amazon/eBay