devour cards mtg Intellect then gains life equal to that creatures toughness. Devourer of Memory - Theros

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)

Adwal, Breaker of Chains Adwal, Breaker of Chains is a fantastic utility card that helps you dig deeper into your deck for more Pirates, Assassins, and Vehicles

Some of those spells can even be cast from your graveyard

For one mana, Young Wolf offers extremely efficient aggression

You get a repeatable loot engine, and you get devotion to blue, and a way to trigger casting non-creature spells