Thick-Skinned (0+2O)
Card text:
Attachment
Attach to a target Orc unit.
Action: Sacrifice this card to redirect any number of combat damage assigned to attached unit to one target unit you control.
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The question is, if attacking with attached unit and any other unit, and both are assigned letal damage, can i sacrifice the attachment and redirect all initial assigned damage to attached unit to the other unit (which already as enough damage assigned to kill it), thus removing all assigned damage?
I know that we cannot assign more indirect damage to a creature than the required to kill it, but we also can assign more combat damage to an enemy unit than necessary to kill it, and the card specifically says assigned combat damage.