Glimpse the Unthinkable Inconceivable Mill is the strategy of the best among us
When played, this card forces each opponent to put the top card of their deck into their Inkwell
Circle of Protection: White seems rather weak against a color designed to destroy enchantments, and many blue decks can take complete control of the game before leisurely bouncing a Circle of Protection: Blue (assuming they aren't just decking you to begin with)
Sephiroth, Fabled SOLDIER / Sephiroth, One-Winged Angel On the topic of aristocrats, Sephiroth, Fabled SOLDIER does a great job of turning creatures into cards
Derevi, Empyrial Tactician One of the most infuriating Commanders in all of EDH, Derevi sits comfortably at the top of the Bird herd for a reason
Selvala, Heart of the Wilds Selvala, Heart of the Wilds activated ability is a good source of both ramp and mana fixing, even on its own