Deathtouch and ward 2 for Shelob and all her minions make the six mana (for an 8/8!) worthwhile
Incessant Onslaught has some pretty insane abilities to scale into a very heavy swing late game, making it a handy tech into certain decks
Additionally, Leonardo's , ability lets you draw a card, discard an artifact, and create a Thopter token copy of that artifact
In a deck with plenty of kill spells (easy to do thanks to Vren's black mana), you can wind up with an army of not-quite Relentless Rats while your opponents are tearfully pitching their beloved creatures into their graveyards
Noteworthy Newer Oversized Cards My bias steadfastly remains toward the older cards, and oversized cards are no exception
A graded card typically sells faster and for more money than an ungraded one, especially if the grade is high