For starters, its effect lets every single player draw a card
This Structure Deck uses the same Spell Counter system as the Spellcasters Command Structure Deck and the Mythical Beast monsters from Extreme Force , so cards from all three can be combined together to create an even more powerful Deck
That cross-demographic appeal is what separates Charizard from every other Pokemon in the market: it is not just popular with one type of collector, it is popular with all of them simultaneously

2 Prometeoron the Burning Comet 3 Hieratic Dragon of Nuit 1 Flamvell Guard 1 Dragon Core Hexer 3 Blue-Eyes White Dragon 1 Blue-Eyes Alternative White Dragon 3 The White Stone of Legend 1 Jet Synchron 1 Lee the World Chalice Fairy 1 World Chalice Guardragon 2 Destrudo the Lost Dragons Frisson 1 Darkest Diabolos, Lord of the Lair 2 Gameciel, the Sea Turtle Kaiju 3 Mausoleum of White 3 World Legacy Guardragon 1 World Legacy Succession 3 Dragon Shrine 3 The Melody of Awakening Dragon 2 Trade-In 2 Hieratic Seal of Convocation 1 Burst Stream of Destruction 1 Terraforming 2 Fists of the Unrivaled Tenyi 1 Phantasmal Lord Ultimitl Bishbaalkin 1 Ib the World Chalice Justiciar 1 Martial Metal Marcher 1 Vermilion Dragon Mech 1 Crystron Glassfiber 1 Qliphort Genius 1 Linkuriboh 2 Link Spider 1 Saryuja Skull Dread 1 Pentestag 1 Blacktrack 1 Knightmare Cerberus 1 Number 23: Lancelot, Dark Knight of the Underworld 1 Number 38: Hope Harbinger Dragon Titanic Galaxy [Deck Commentary] A Phantasmal Lord Ultimitl Bishbaalkin Deck featuring Prometeoron the Burning Comet from Chaos Impact

It's not a great Pokmon in itself, but what's awesome about it is, if you managed to stick a Poke Tool onto it, you can use Sweets Relay for free
That would totally defeat the purpose of the mechanic