A 6-mana cost is steep, but it has a chance to be a quick answer to your opponents removal thanks to delve
A planeswalker's health is represented by its loyalty, but just like your own life total, a planeswalker's loyalty is a resource
And you can always think of Iron Man, Titan of Innovation as a Goldspan Dragon that gives you some value each time you attack
Common 198 Grab Your Sword Rare 199 Ransack Uncommon 200 Smash Uncommon 201 Beasts Mirror Common 202 Frying Pan Uncommon 203 Musketeer Tabard Rare 204 Plasma Blaster Rare 205 Hades, King of Olympus Enchanted 206 Stitch, Carefree Surfer Enchanted 207 Elsa, Spirit of Winter Enchanted 208 Mickey Mouse, Wayward Sorcerer Enchanted 209 Genie, On the Job Enchanted 210 Mickey Mouse, Artful Rogue Enchanted 211 Aladdin, Heroic Outlaw Enchanted 212 Maui, Hero to All Enchanted 213 Aurora, Dreaming Guardian Enchanted 214 Belle, Strange But Special Enchanted 215 Simba, Returned King Enchanted 216 Tinker Bell, Giant Fairy Enchanted Foil Checklist 204 cards
It isnt mana efficient, but destroying a card while drawing one is a very strong play
This results in infinite ETB triggers and an infinite number of Snoops