With textured foil and raised elements on the card, these feel incredibly special, and the two Iconic cards from Fabled even make a singular piece of art when placed together
Fate Reforged (2015) brought us Outpost Siege, which served mostly as a sideboard card, but also had combopotential with the second option
Then, if anything were to happen to it, you can return Quilled Greatwurm to the battlefield by removing just six counters from creatures you control and paying its mana cost again
Mummies are explicitly said to massively outnumber the living in the Aetherdrift Guide, so either Amonkhet was like 75% mummy for the Hour of Reckoning (not especially borne out by the story or cards), or they had a very low casualty rate across two invasions
Based on my time with it so far, that could finally change with Disney Lorcana
This is a solid trick, it'll win combat most of the time and has the "oops I win" upside of sending your big creature into the air