Im not sure how many decks will want to run Chandra, Acolyte of Flame, but three of the four most popular decks in Standard right now run a decent number of red cards, so there are plenty of opportunities for Chandra to find a home
The SWORD archetype has a dedicated competitive following
You can put her into a rebound R/G Commander deck around Wort, the Raidmother or drop her in a Narset, Enlightened Master deck that seeks to play instants and sorceries for free
7: You get an emblem with "You may play lands and cast permanent spells from your graveyard." The lands you play and spells you cast from your graveyard follow the usual timing restrictions, and you must pay any costs for spells you cast
Combining shroud with islandwalk makes it a very hard to interact with a 3-turn clock against most fair blue strategies and is still generally very strong against the non-blue decks
Obviously, a straightforward graveyard deck is the first place to go