Like, I dont know, one of the sets these are all referencing
Rather, Thornbite Staff is infamous for going infinite with nearly anything with a tap-to-activate effect
The lack of haste means Mishra needs to live, but Phyrexian Dragon Engine has Unearth, so you can get that on the field from grave with haste, swing in, and get the meld
Some cards in other sets refer to a card, spell, or permanent that "has an Adventure." This refers to a card, spell, or permanent that has an adventurer card's set of alternative characteristics, even if they're not being used and even if that card was never cast as an Adventure
Drop it early, smack it while defenses are low, and you could end up with a potential creature in the first few turns
I also love Treasure Nabber here as well, as you can just sacrifice whatever you steal with it