For those of us who played a lot of Khans of Tarkir limited, you are probably used to it and know the feel of the card
Flash is an underrated keyword, especially on an uncounterable spell that protects your future spells
Everyone who has played against the final two Teferi planeswalkers has their own opinion as to which is the bigger menace to face, and which is the strongest Teferi that you can add to your deck
Anywho, onto the Shaman specifically, who is not an agro card, even compared to the Cobra despite the extra toughness
Playing seventeen lands is also fine and preferable sometimesit depends on how many three-drops and colored spells you have in your deck
The classic example is the Revised Edition Serendib Efreet, which was printed with the art and green border of a different card, Ifh-Biff Efreet