You're only ever considering this card now if you need the redundancy of Envoy's effect
Lets start with three spells Ive often had on the short list as role players, but never perform well enough to make it past the first few revisions when considered for mill decks
Spellbook of Fate [Collector's Rare] MAZE-EN059 YuGiOh Maze of Memories Keep track of your collection value over time
In the right deck, this spell can lead to some impactful plays
Its a flash creature with first strike, and when it deals combat damage to a creature, the creature gets shuffled back
In a vacuum, the card is most valuable as a Merfolk or for its progress in building one's devotion in blue, since this is a vacuum without consideration for players that intend to win primarily through The Oracle'sThe Oracle's triggered ability, but clearly the card reserves its Game Changing status due to how it is played