Soul Diviner already exists, so this card adds more redundancy to the strategy, at least slotting into the same decks
While Terra provides a continual means of milling and a mana-activated ability that brings creatures back from the graveyard, Celes only offers milling as her enter-the-battlefield effect
We didn't have planeswalker cards at the time (that wouldn't come until Lorwyn many years later), so this was a way to have him appear as a creature
She can quest for three and has a 3/6 stat line
Theyre still playable, but Id much rather give a card as a bargaining tool to another player in order to ensure the board is fully wiped, before getting my best creature back again
Rise of the Floodborn Starter Deck Amethyst & Steel Amethyst is one of the strongest inks right now and this starter deck has format staples that nearly every Amethyst deck wants: 002-052-merlin-rabbit, 002-051-merlin-goat, and 002-046-madam-mim-fox