For example, you may play a land this way only while the stack is empty during one of your own main phases, and only if you haven't played a land yet this turn
an investment fund that is advised by a person registered as an adviser or a person that is exempt from registration as an adviser, or
Bone Shredder, Noxious Gearhulk, Duplicant, Angel of the Ruins, Meteor Golem, Swords to Plowshares, Despark, Go for the Throat, Mortify, Utter End, Yawgmoth's Vile Offering, Excise the Imperfect 12 targeted removal
When that is the downside, you can be sure that your opponents are going to find a way to make sure he leaves play even if it is just to laugh at you when your entire board disappears
I believe this is a great chance to really find the best build for Legacy Maverick with the current cards Magic has to offer