Legendary Creature - Assassin Gorgon Winding Constrictor If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead
If we want to be more specific, we need to think about more than just our Commander: specifically, what is our deck trying to do , how does our deck function , and what is the curve we've got
General Notes on Face-Down Cards At any time, you can look at a face-down spell or permanent you control
Copying equipment, auras and counters is sweet, and having a Flying Lifelink creature with an annoying Ward cost goes a long way to making her playable
Those are the plusses
Mishras Bauble is a bit more specific than a lot of my entries in this series, but the card supports a fairly wide range of things and exemplifies what I like in a colorless spell very well