I don't think it's out of the realm of possibility that poisonous could return, but I wouldn't call it likely
The nascent collection appears to have dozens of Omanytes, as well as plenty of pledges ready to pick a side
Honorable Mention - Shock Lands The return of shock lands is big for mana aggression, as each card allows you to place a dual color land untapped at the cost of two life points , or it can enter tapped with no charge
Collectors appreciated its detailed artwork highlighting Galvantulas electric energy and creepy design
The fact that you can play attachments on Bill doesn't affect much because I rarely play attachments on allies anyway(unless in a Dale deck) and I'm not sure why I would want to play it on the pony anyways.
Against artifact lands, Palanr Disruption can prevent them from being able to tap for mana, as tapping is an activated ability