Once per each turn when you activate ninjutsu, you can look at the top three cards of your deck, take one, and put the other two at the bottom
The right play is going to depend on the matchup (if they're a very fast deck it could be right to block), your hand (if your next play is a Ghoulraiser and your creature is instead a Walking Corpse, it is excellent to block), and your tribe along with your deck
Black and gold as a color scheme for the admirals' foil looks incredible, but Boralinos ray of light makes this card even more desirable
Ob scrapes a pass by reliably being at worst card neutral and by having some pretty clean and desirable effects
Make your deck more competitive at a reasonable price
Its noteworthy that all the Duskmourn: House of Horror Commander precons were released with scheme cards, so its indicative of the compatibility between the systems