I just thought of this and wondered what the least ridiculous reminder text could be:
Anarcha Angel 5WWW
Creature - Angel
Flying
When ~ enters the battlefield, all players lose control of all creatures.
(whatever P/T)
So creatures remain on the battlefield and abilities still trigger during each players' turns/phases (but not for "their controller" "your" or "an opponent"), they can't be declared as attackers or blockers, and creatures with phasing will not phase out (but phased out creatures would still phase in).
Supporting this ability would require an update to the Comprehensive Rules. Start with what you think would be the official text for the CR section defining objects on the battlefield with no controller and then use that to draft some reminder text.
Anarcha Angel 5WWW
Creature - Angel
Flying
When ~ enters the battlefield, all players lose control of all creatures.
(whatever P/T)
So creatures remain on the battlefield and abilities still trigger during each players' turns/phases (but not for "their controller" "your" or "an opponent"), they can't be declared as attackers or blockers, and creatures with phasing will not phase out (but phased out creatures would still phase in).
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