For a while, I had been working on several artifact decks to abuse a little card called Tolarian Academy, including several that played Voltaic Key just to have another artifact that occasionally came in handy
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Nicol Bolas, Planeswalker
Playing commander is a great way to expand your card knowlegde, because every card choice is influenced by all this weirdly-tacked-on red-tape to be a creative personal choice rewarded by a greater knowlegde of card interactions that you personally might not have thought of
High Concepts, Low Comprehension According to Richard Garfield, wrote former Creative Director Brady Dommermuth in June 2009, flying was the first mechanic conceived
Gives it lifelink, flying, and when it dies you may pay life to draw cards equal to its power