mtg cards banned in commander EDH/Commander List Nadu, Winged Wisdom Banned In

Do not overfill: Exceeding the recommended card capacity may place excessive strain on the magnetic closure mechanism, thereby shortening its lifespan

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

This one is called "Gandalf in the Pelennor Fields" and introduces six brand new cards into Commander and other eternal formats

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)