Treasure Chest is a three-mana artifact that doesnt do anything until a stat check is made by paying four more mana and rolling a d20
Neither Sagas nor Creatures are anything new in MTG, after all, and this fusion works as expected
In the Cosmos, secrets swirl and spark like windborne embers, and only Alrund can capture them
Additionally, when you deal combat damage to a player with one or more faeries you also get to goad one of their Creatures, forcing it to attack another player on their next combat step
In decks like Lazav, the Multifarious, those cards in the graveyard are still very much an asset
The tutorial is necessary because there were far more kids who collected Pokmon cards than who actually knew how to play the Pokmon card game