The flexibility to fix mana early or draw cards late gives it some appeal, even if its slow speed and gradual impact won't make it a flavor pick in Constructed formats
Of course, being 3 mane for Whites various kinds of recursion is also nothing to forget
Playing Aminatou early often results in her doing nothing
For example, aim to activate various effects, such as using the first effect of Gizmek Mikazuchi, the Nuclear Emperor to Special Summon itself, use the 3rd effect of Deus X-Krawler to add from the Deck to the hand, use the powerful 2nd effect of Utgard, Generaider Boss of Lies to Tribute, and make use of the Rock monster Pot of The Forbidden
It can rise from the ashes (or fly down from your hand) any time one of your FIRE monsters are destroyed, then pump up its own ATK by consuming another monster from your hand, Deck, or field