Even if all nine cards were in the same Secret Lair, they still wouldnt offer a $30 reprint value
Considering that the Grookey and Thwackey cards from Twilight Masquerade are decently sturdy and have their own perks, its easy to set-up and get Rillaboom in play quickly
Their required materials are less specific than Fusion Monsters, but their combined Levels must equal a Synchro Monster's Level
Cards that score high across all three, like a PSA 10 First Edition Shadowless Charizard, represent the top of the market
Sure, you won't see Poison Dart Frog appear in many eternal formats, and even that much utility might not be enough for Modern, but in slower Magic: The Gathering formats like limited or Commander, this little guy is an easy addition