Most angels have lifelink, and there are nice payoffs for gaining life, whether incrementally or in huge chunks
Otherwise, the card is generally effective for questing, generating three lore each time
The Goose Mother gives you more steady card advantage and lifegain over time, but I can't understate how important it is that you can just cast it as a 2-mana 2/2 flier in situations where you need to be blocking early on
Anytime a creature of yours deals combat damage this turn, if it was turned face up this turn, you get to draw a card
Crack a Clue, draw a card
Atraxa is a really great commander to experiment with because her ability and color identity mean you can explore about six different themes