Cards like Isabella Madrigal, Caring Cultivator and Ming Lee, Giant Red Panda both interact with damage counters and healing, but The Madrigal Family only really offers high willpower and ink ramp, which isn't enough to offset the volume of other, more useful cards in this set
The reward for his betrayal, however, is powerful
Those two cards combined led to the creation of a wide array of green-black decks that Sol Malka got named "Rock." Eventually that name was corrupted to include any green-black deck involving creatures but the creatures were never the key to Rock's success

Ifrit Suplex Thunder Magic Triple Triad Unexpected Request Vaan, Street Thief Warriors Sword Zell Dincht Airship Crash Ancient Adamantoise Balamb T-Rexaur Bards Bow Bartz and Boko Blitzball Shot Cactuar Chocobo Kick Chocobo Racetrack Clash of the Eikons Coliseum Behemoth Commune with Beavers Diamond Weapon The Earth Crystal Esper Origins Galufs Final Act Gigantoad Goobbue Gardener Gran Pulse Ochu Gysahl Greens Jumbo Cactuar Loporrit Scout Prishes Wanderings Quina, Qu Gourmet Reach the Horizon A Realm Reborn Ride the Shoopuf Rydias Return Sazh Katzroy Sazhs Chocobo Sidequest: Raise a Chocobo Summon: Fat Chocobo Summon: Fenrir Summon Titan Summoners Grimoire Tifa Lockhart Tifas Limit Break Torgal, A Fine Hound Town Greeter Traveling Chocobo Vanille, Cheerful lCie Absolute Virtue Balthier and Fran Black Waltz No
Theyre already free value since they just happen, so making it happen multiple times in a turn is key to making the most of the mechanic