Here are more cards that want many instances of life gain: MJ, Rising Star Spider-Man, Peter Parker Fiendish Panda Cleric Class Aettir and Priwen Excalibur II Aerith Gainsborough Minwu, White Mage The Destined White Mage The early action from soul sisters can turn your life total up in a hurry and you capitalize on this with cards that care about your improved life total like: Speaker of the Heavens, Elenda, Saint of Dusk, Leyline of Hope, Angel of Vitality, and Righteous Valkyrie
Having double strike is good for Auras, and then it of course becomes an Aura at some point after it dies, and giving double strike in the right situation can be pretty big
During your End Phase, if your opponent's LP are 2000 or less, and this card has no materials, you win the Duel
And now for our first of several more complicated explanations
unpeeled/unused, as pictured
Tyvar, Jubilant Brawler Not only does Tyvar, Jubilant Brawler fill your graveyard, but it also makes immediate use of the milled cards