The problem is that four-mana sorcery-speed creature pumping just isn't constructed playable
Youll never have to worry about flooding since excess lands can get pitched to spells like Growth Spiral, Bring to Light, or Expressive Iteration
Coalossal isn't a fan favorite, so the card art does a lot of work in making this card desirable
That said, this does nothing to setup things like Shelldock Isle so it isn't all perks
But a decade later, Wizards would print Protean Hulk, which turned Flash into a Turn 1 win thanks to a convoluted loop of creatures that you can tutor up by using Flash to not just cheat the Protean Hulk into play but immediately sacrifice it, which was oddly an upside due to Protean Hulk's death trigger
Chart shows the price of Surfing Pikachu #111 at the end of each month going back as long as we have tracked the item.