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I was thinking of the most efficient 3 color commander deck. I don't know if this is just what I like the most, but I think it's most efficient overall. It has great mana production, counters, draw, power creatures of each color, enough tutors (I don't even have the good ones.) Use cephalid illusionist with lightning greaves or shuko with another creature to pump as much of your library into your graveyard and have a tough commander. Careful, it can be stopped easy, be sure to have other win conditions.
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