She gets stronger for each arrow in her quiver (mechanically represented here as Equipment) and can remove them to "shoot" at another creature in combat
Your Arena drafts cost gems or gold, so here is a brief summary of how to best spend your in-game currency
That creature doesnt untap during its controllers next untap step
Key budget cards to include: Umbra Mystic, Ethereal Armor, All That Glitters, Sythis, Harvests Hand, Sanctum Weaver #06 Urtet, Remnant of Memnarch (Down from #04) While Urtet might have been moved down a couple of spots, it isnt for any fault of the deck
Do not affect grading: the card can be sold as Near Mint (NM)
Lurrus of the Dream-Den Lurrus of the Dream-Den makes for a restrictive companion but an intriguing commander