You see, inviting the trickster during the back of the napkin stage of planning may actually be age-old wisdom. Because knowing the utter ridiculousness of the expectation that something may turn out how it was initially planned, can be a strategy for fast tracking an endeavor for success. As stated on the wiki page that describes the trickster:
Many native traditions held clowns and tricksters as essential to any contact with the sacred. People could not pray until they had laughed, because laughter opens and frees from rigid preconception. Humans had to have tricksters within the most sacred ceremonies for fear that they forget the sacred comes through upset, reversal, surprise. The trickster in most native traditions is essential to creation, to birth.[1]
In short, knowing how the Trickster operates, maybe the saying Should go "If you want to make plans... make God laugh". We have moved from a laughable acceptance of idiosyncrasy to pragmatic wisdom.
1. Byrd Gibbens, Professor of English at University of Arkansas at Little Rock; quoted epigraph in Napalm and Silly Putty by George Carlin, 2001