Simply choosing to make a mono-green deck wont guarantee you victory just because it has the potential to be very powerful
A BRIEF HISTORY OF ALLIES The ally creature type was originally introduced in 2009s Zendikar , where the type was meant to call to mind parties of adventurers exploring the plane together
It can also make two cards that aren't as useful by themselves, much stronger as they are better at dealing with a range of problems
Bartz and Boko Birdtongue Kavu
Its also very synergistic with higher cost flashback or harmonize cards
They are instead poster-ish mockups of the following cards: Aragorn, the Uniter Mount Doom Arwen, Galadriel Queen Gandalf, the White Saruman of Many Colors The serialized versions of these cards are going to be incredibly difficult to open and, as such, I would expect a massive price tag attached to those cards