Lors des événements de l'édition March of the Machine, la situation du Multivers est si désespérée que des personnages et créatures issus de mêmes Plans forment des alliances improbables pour essayer de contrecarrer les Phyrexians...

Source (Legendary team-ups - "[...] Perhaps we could pair characters that normally wouldn't be together to demonstrate how desperate the situation was. [...] In the end, they chose to do all ten two-color pairs at rare and a cycle of wedge trios at mythic rare. Each of those fifteen cards was set on a different plane.")