Whether you love 'em or hate 'em, MTG tutors in EDH are here to stay, and if you want to play in high-power games, squaring off against the best MTG commanders in the format, you're probably going to need a tutor or two
Draw a card if an opponent has cast a blue or black spell this turn
Okay, so Ive been playing the game competitively for more than 12 years now, which means I have played with all of the cards in both formats
And while thats not a tall order, it means that this card can be pretty weak on its own, naturally limiting its power ceiling
Still, a great engine for any deck that's heavy on (primarily) flying creatures, be it birds, angels or sphinges
Legality depends on the tournament format -- Nine-Tail White Fox can be legal in some formats and banned or restricted in others