It only costs two ink to play, or characters with a cost of two or more can be exerted to play the card for free
The only deck I have in which it can fit is the relatively new Saskia, the Unyielding deck, which Ive actually just finished assembling
So, if youre in Boros, Golgari, Izzet, Orzhov or Simic, youll have access to more color fixing
The color identity wont help in some scenarios, but this card covers all aristocrat bases
Add to that the good Soul Sisters Soul Warden, Souls Attendant, and Auriok Champion and youre looking at Guide of Souls being your seventh
The 5 Best Hybrid Mana Cards in Magic: The Gathering The introduction of the hybrid mana mechanic in the 2005 expansion Ravnica: City of Guilds represented a fundamental shift in the mechanical architecture of Magic: The Gathering