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Based on their previous posts it will be the same as power. Cards delegated (rented) to you will count towards your power but not the owner's.

Wrong:

"Please note that the airdrop points will be based on cards owned by each account, meaning that cards delegated to another account will count towards the card owner's account, not the account to which the card is delegated."
https://sps.splinterlands.com/airdrop

Thanks for the correction! Thought I just saw "power" earlier but I missed that page.