I had bought one a few months ago and loved it so much that I invested in 2 more to keep the rest of my toploaded cards safe
It even has some nice synergies with things like Courser of Kruphix
Card draw is one of the better ways to ramp and fix your mana since you get more options per turn
Korlessa, Scale Singer Korlessa, Scale Singer is the first of many multicolor dragon commanders
However, for the first e-Series set, Expedition, both the Holo and non-Holo printings of the card each had their own Reverse Holo printing, resulting in two near-identical Reverse Holo prints of Yuka Moriis Poliwrath in the same set
Sacrificing a creature can often come with upside, too: I had an Orah, Skyclave Hierophant deck that made incredible use of this