Restoration of Eiganjo returns cards from Hand, as well as Graveyard
There is a bug where Restoration of Eiganjo will return cards from Hand, not just Graveyard as it says on the card text.
Repro steps:
1. Cast Fading Hope on an opponent's creature with mana value 2 or less, while the opponent has Restoration of Eiganjo in play on chapter 1
2. On the Opponent's turn, Restoration of Eiganjo will advance to chapter 2 and the player may now return the creature targeted by Fading Hope (that is currently in their Hand, not their Graveyard) into play tapped, without paying that card's mana cost
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[Deleted User] commented
Read the Saga carefully. A card is discarded before anything gets chosen to be returned. So a card with mana value 2 or less can be discarded from the hand and then returned to the battlefield.