Both the face commander Dina and the old Dina, Soul Steeper care about lifegain and sacrificing creatures, and Beledros Witherbloom herself helps to contribute to that theme really well, not to mention payoffs like Veinwitch Coven and Blight Mound (both reprints from the OG Strixhaven precons)
Force of Will is the reason combo decks cant run wild in Legacy
You get a repeatable loot engine, and you get devotion to blue, and a way to trigger casting non-creature spells
That sure is a lot of fantastical terms all at once, but essentially it means that were storytelling magicians competing against each other by summoning copies of Disney characters to see who can gather the required lore first
For one mana, Young Wolf offers extremely efficient aggression
The ability to do what you want is what makes the system so much fun