If youve got old MTG cards sitting in a closet, basement, storage unit, or collecting dust on a shelf, Id be interested in taking a look
When it ETbs, you choose a creature type and then it arrives with your number of those you control in counters and that kindred type is increased in size by the counters
Raphael, the Nightwatcher I'm sneaking Blade Historian in for one less mana which is a huge difference, as is the element of surprise
Then, I can tap this artifact at any time to put a creature on the battlefield if it has a mana value equal to the number of charge counters on Aether Vial
Like many other ninjas, Silent-Blade Oni possesses Ninjitsu, allowing it to be cast for a discount, replacing an unblocked creature you control
That way you had two combos in the deck to use to pull out, which makes it pretty unique for dominant combo decks