devour cards mtg Intellect then gains life equal to that creatures toughness. Devourer, 18 cards | Magic:

Karn Liberated He does exactly what the Eldrazi need, but the mana cost and the financial cost are just too high for our purposes

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

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)

The ability to do what you want is what makes the system so much fun