Anytime an opponent casts a spell with mana value equal to that number, or casts a creature with power or toughness equal to that number, that player loses two life and you draw a card
In green and white, it shows up on three, with two of them being the Coven-centric Legendary creatures Leinore, Autumn Sovereign (who is the Commander of the Coven Counters Innistrad: Midnight Hunt preconstructed deck), and Sigarda, Champion of Light.
Once this deck started drawing extra cards, its ability to deploy spells was so much better than anything else in the format that there was no keeping up with it
Did you have something die in combat, either to blocking or when you swung
Galadriel is the obvious choice over Gandalf, Westward Voyager because, lets face it, shes an Elf in an Elf Tribal deck and Gandalf is not