This is specifically for steam, but you can easily adapt it to lutris, but I'm not doing that for the moment.
To force wayland, you need to pass
env -u DISPLAY %command%
In steam, however, be warned, this has crashed my GPU driver in multiple applications and is still highly unstable, but a number of games work without issue. Exclusive fullscreen still seems improperly implemented, so any application that doesn't use native resolution, will not fill the entire screen.
As of Wine 9.22 it should try the Wayland driver first, and if issues are found, revert to the x11 driver, so use the force command cautiously.