(6/16/2023) Frodo, Adventurous Hobbit's ability looks at how much life you've gained in the turn, even if it wasn't on the battlefield when you gained life
It does feel a bit expensive for what it does, so you may also want or need some action cost reduction as well

Ademi of the Silkchutes Aerie Mystics Afterlife Insurance Age of Ultron Ajani, Inspiring Leader Akroma's Blessing Akroma's Will Akroma's Will Angelic Skirmisher Ankle Shanker Appeal // Authority Appeal // Authority Archangel Avacyn Arm with ther Atarka Pummeler Azorius Charm Baleful Beholder Binding the Old Gods Bitter Reunion Bleeding Effect Blinding Fog Blood-Chin Rager Blossoming Bogbeast Bog Badger Bond of Discipline Boromir, Warden of the Tower Brave the Elements Burst of Speed Chance for Glory Chasm Guide Cleaver Riot Company Commander Concerted Effort Conclave Guildmage Crash Through Crashing Drawbridge Craterhoof Behemoth Crossbow Ambush Dauntless Escort Deafening Clarion Divine Resilience Dominaria's Judgment Draconautics Engineer Dragon Throne of Tarkir Dragonrage Driven // Despair Driven // Despair Drover Grizzly Duty Beyond Death Elspeth, Undaunted Hero Emeria's Call Essence of Antiquity Family Reunion Fervor Firemantle Mage Flawless Maneuver Frontline Medic Frostwind Invoker Furystoke Giant Garruk, Savage Herald Garruk, the Veil-Cursed Gavony Ghastly Death Tyrant Gideon's Phalanx Glaring Spotlight Glory Goring Ceratops Goro-Goro and Satoru Goro-Goro, Disciple of Ryusei Grand Crescendo Greenbelt Radical Gruesome Slaughter

channel) From Rowan + Teremiare By: Teremiare Ulkanix + ANY FIRE (in hand) Into no interruptions: Option 1
Continuous self-mill cards mill you multiple times over different turns, like Deranged Assistant and Mesmeric Orb
I love the blue flames on the bottom and Charizard's claw reaching toward you