Mirabel finds a prophecy that shows Bruno becoming Ursula's slave, and then she asks her sister Luisa to help prevent the prophecy from coming true, but they fail
This means you can play a Goat for free, gain a lore, run it into an opposing character, and gain another lore
The deck then features a large numbers of spells that can be quickly cast, repeatedly triggering both Y'shtola and these other effects
It doesn't copy whether that enchantment is tapped or untapped, whether it has any counters on it or any Auras or Equipment attached to it, or any non-copy effects that have changed its types, color, power and toughness, and so on
So now you have this engine where youre using your items as normal, benefitting from them in the discard, and putting them back into the deck to do it all over again
The utility of Revive is straightforward, allowing the user to play a character card that costs five ink or less from their discard for free