These collectors, usually referred as Completionists, may aim to have only one copy per card and they may not be interested in using these cards for building sets
A punk giving his fellow Spiders Riot is a genius bit of design, while the rest of the ability text also makes it mightily playable too
If you want to improve the deck further and have the budget to do so, Arthur - Wizard's Apprentice is a very good card in an aggressive bounce deck
A 5/5 flyer is going to be good in draft in most cases, but seeing Junji, the Midnight Sky in your pack means you should almost certainly find an excuse to draft black this time around.
It provides a cheap way for players to sacrifice their own creatures with a significant bonus added on top
Im not suggesting sitting down and writing up something like youre old-school D&D players working on wording a Wish, but make sure youve left as little room as possible for angle-shooting