One important note before we move on, though: the amount of ramp in your deck and the amount of treasure generation can free you up for playing more enters-tapped lands, as this allows you to be more mana efficient
Theyre effectively counter-quadruplers, because both the initial replacement effect adding counters and the death trigger are enhanced
The created card doesn't necessarily need to be from your deck, library, or sideboard, and could be a card in another set or format, as if it was created "out of thin air"
Stolen by the Fae is an X spell and a bounce spell that also gives you a bunch of Faeries
It won't trigger if you don't declare any creatures as attackers
Take that Ragavan, Nimble Pilferer and Fear of Missing Out, tell them Run for Your Life and make it rain with combat value