Widespread engagement in regenerative actions with improved social coordination is urgently required to reverse the degradation of the planet’s life support systems that is accelerated by climate change. This article develops seven design attributes for scenario approaches that are designed to contribute to decentralized governance and nurturing regenerative practices. The design attributes were iteratively refined during a four-year transdisciplinary research project set in Luxembourg from 2017-2021, that engaged over 100 actors in the co-production of a set of three scenarios for how we engage with water and land in 2045. In the resulting scenario set on future engagements with water and land, each scenario corresponds to a narrative rooted in a different ontology: objectivism, subjectivism, and relational experientialism, respectively. Each ontology shapes relations in the human and to the more than human world in fundamentally different ways. The use of this scenario set is then critically discussed in two different multi-stakeholder situations. In the discussion section we explore how different ontological understandings between different stakeholder groups can be roots of polarization and lack of concerted action or sources of creativity and ideas for transformative actions.