Vampiric Tutor, Rare (With a shout out to Enlightened Tutor, Mystical Tutor and Worldly Tutor - all Uncommons) There is just one card that has ever been printed that could, arguably, be in the same conversation as Demonic Tutor
While this offers fast mana, it guards against that by requiring color (since most of the most broken decks use a lot of artifacts) and by eating up a spell
This deck is perfect for both new and experienced players and features Aesi, Tyrant of Gyre Strait, a powerful Simic Commander who rewards you with land ramp and card advantage
If you hit your three opponents with Birds, you'll get three effect triggers
Do you consider energy, and other parasitic mechanics, a design mistake