That something is usually: a cost (example: Sacrifice a creature: [effect]), or an effect (example: Target player sacrifices a creature.) No instruction, no sacrifice
Archivist of Oghma The problem with Stax cards that prevent certain actions, like Aven Mindcensor, is that while you might get the drop on one player, from then on your opponents can play around your card until it's removed
Five are Prismari (red/blue), three are Quandrix (blue/green), there are two each for Silverquill (white/black) and Witherbloom (black/green), and only one for Lorehold (white/red)
(Artifacts, legendaries, and Sagas are historic.) Equipped creature gets +10/+0 and has vigilance
Do not overfill: Exceeding the recommended card capacity may place excessive strain on the magnetic closure mechanism, thereby shortening its lifespan
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