Once a card is slotted into a sleeve, its protected from all the forms of wear discussed above
Community discussion around Wilds Unknown chase rankings has been all over the map, which is usually a healthy sign: people are not just chasing one card, they are finding personal favorites across Pixar, Brave, Enchanteds, promos, and premium art treatments
The card with ninjustsu will still be in your hand while resolving the ability and must remain revealed until the ninjutsu ability resolves or is otherwise removed from the stack
You could even return Amphin Mutineer to your hand with this spell to really maximize the value you can get from this list
Ultimately, this is where I feel like original set foils have the most in common with the Reserved List
2 Maximum Overdrive Death Means Nothing A common appearance in recent sets, Maximum Overdrive is an instant that can save one of your creatures from a swift death