Rule 462.2.a
If an effect would require a Unit be played to a Battlefield with a Staged Combat or a Combat in Progress, where the controller of the played unit is not a participant, instead the Unit is played to its controller's Base.
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If an effect would require a Unit be played to a Battlefield with a Staged Combat or a Combat in Progress, where the controller of the played unit is not a participant, instead the Unit is played to its controller's Base.