Its a decently powerful card that can wipe out a bunch of weak creatures at once and grows stronger whenever an enemy creature dies, though it doesnt exactly make for a top-tier commander
These work pretty seamlessly as a fusion between the two card types
3 Braska's Final Aeon Cecil, Dark Knight Chaos, the Endless Cloud of Darkness Emet-Selch, Unsundered Exdeath, Void Warlock Fang, Fearless l'Cie Gaius van Baelsar Galian Beast Garland, Knight of Cornelia Golbez, Crystal Collector Hades, Sorcerer of Eld Jecht, Reluctant Guardian Jenova, Ancient Calamity Judge Magister Gabranth Kain, Traitorous Dragoon Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Locke Cole Neo Exdeath, Dimension's End Noctis, Prince of Lucis Ragnarok, Divine Deliverance Reno and Rude Rufus Shinra Sephiroth, Fabled SOLDIER Sephiroth, One-Winged Angel Sephiroth, Planet's Heir Seymour Flux Shinryu, Transcendent Rival Sin, Spira's Punishment Squall, SeeD Mercenary The Darkness Crystal Trance Kuja, Fate Defied Ultimecia, Omnipotent Ultimecia, Time Sorceress Vincent Valentine Xande, Dark Mage Yiazmat, Ultimate Mark Zenos yae Galvus Zodiark, Umbral God
Simply put, your opponent has to kill this creature or they have virtually no chance of winning, which is the simplest definition of a 10/10 card
