I feel like youd almost have to be building around counters in order to get much use out of the abilities on this card
As Pokemon TCG players know, you lose the game if you dont have a Benched Pokemon to promote when the Active Pokemon is knocked out, so if youre able to follow up your Supreme Puff GX with an attack that takes out the opposing Pokemon, then you automatically win the game
Its incredibly efficient, even if your opponent gains some life
The first is her -3 to destroy everything with a 4 power or greater, which only kills a few Angel and Zombie tokens, so this is a backup mass removal that will only hurt your foes, but it leaves behind more than Mass Calcify

Abbot of Keral Keep Agent of Atlas Aligned Heart Bearer of Overwhelming Truths Bedlam Reveler Bloodfire Expert Bloodwater Entity Bria, Riptide Rogue Cori-Steel Cutter Crescent Island Temple Crimson Operative Cursed Firebreathing Yogurt Cyclops Superconductor Disciples of the Inferno Dragon Bell Monk Dragon-Style Twins Drake Hatcher Dwarven Forge-Chanter Ecstatic Electromancer Elemental Eruption Elementalist Adept Elsha of the Infinite Elsha, Threefold Master Elusive Otter Elusive Otter Emberheart Challenger Eris, Roar of the Storm Firebending Student Frenzied Geistblaster Fugitive Codebreaker Gitaxian Spellstalker Goblin Wizardry Harmonic Prodigy Heartfire Immolator Iguana Parrot Ingenious Skaab Iron Fist, Hero for Hire Jaya, Fiery Negotiator Jeskai Brushmaster Jeskai Elder Jeskai Revelation Jeskai Sage Jeskai Student Jeskai Windscout Jhessian Thief Khenra Spellspear Kitsa, Otterball Elite Kree Commandos Lightning Visionary Lightshell Duo Lilah, Undefeated Slickshot Lotus Path Djinn Lotus-Eye Mystics Lyse Hext Mage-Ring Bully Mai, Jaded Edge Master Pakku Meticulous Artisan Mistfire Adept Mistral Singer Molten Lavamancer Monastery Mentor Monastery Swiftspear Monica Rambeau Narset, Enlightened Exile Niblis of Dusk Niblis of Frost Nimble-Blade Khenra Otterball Antics Patriot, Young Avenger Pearl Lake Ancient Photon, Living Light

The Immortal Sun - $25 As a six mana artifact that doesn't really do anything the turn it comes out, The Immortal Sun is a little overhyped, and we were quite surprised to see its $25 price tag