You literally cant lose with this
Ultimately if you are getting cards graded, you will want to be confident of getting good grades, whilst there are greater experts on the subject than myself, personally if I am paying to have a card graded and having it sent off to the states etc, I want to know that its going to grade reasonably well
Moon-Circuit Hacker Covert Technician Prosperous Thief Mukotai Ambusher Dokuchi Silencer Coiling Stalker Nezumi Prowler Kappa Tech-Wrecker Silver-Fur Master Moonsnare Specialist Biting-Palm Ninja Blade-Blizzard Kitsune Thousand-Faced Shadow Dokuchi Shadow-Walker Nashi, Moon Sage's Scion Spring-Leaf Avenger
And if you think it's good in the fast and furious world of constructed, try it in limited
Its particularly powerful there and an easy way to give your threats evasion and, possibly, life-gain abilities
Amareth is arguably underplayed with just 1,626 decks, but that's still another more than 1.5k on EDHREC.com