No, participant C will proceed to regulate it.
Each spells have steady results that modify the traits of the creature in layer 2, and the one which has the final time win. It would not matter that the act of betrayal is barely short-term (and you possibly can say that Donate doesn’t final):
611.2a a steady impact generated by the decision of a spell or skill lasts as indicated by the spell or ability that creates it (as “till the top of the shift”). If a period shouldn’t be established, it lasts till the top of the sport.
Related components of the layer system:
613.1b Capa 2: The results of management of management are utilized.
613.3. Inside layers 2–6, apply the results of attribute definition abilities first (see rule 604.3), then all different results on the order of the time mark (see Rule 613.7). Understand that the unit can alter the order during which the results inside a layer are utilized. (See rule 613.8.)
The state of affairs would have been totally different if the act of betrayal had learn one thing like
Receive management of the goal creature. On the finish of the flip, return it to the management of its proprietor.
As a result of then that final half could be ‘later’ that, and annuling the impact of his donation.
An associated instance: Situation Performed to considered one of your creatures and provides it to the participant C. Participant an act of betrayal of launch to be below the management of participant A; On the finish of the flip, the C participant is returned.
