You can use the nickname but you don't get the +1/+1 counter unless you use the card's given name
As such, it has the most access to Fireballs, Lightning Bolts, and the best first strike and hasty creatures, like Fervent Champion
She is a card a lot of archetypes want regardless of her discard utility and so when you do want to be putting things in the bin her value rises more than most
For example, a colorless card that executes the lasting continuous removal is likely to create a blue deck that removes the sustained material
The first lets you pay one Green mana and sacrifice a Food token to put a +1/+1 counter on any creature, though you can only do it at sorcery speed
3/3 haste for 3 is an okay rate, and if the card is dealt damage once, it can shut down their lifegain for the rest of the game