Oh, well then let's see how fast I can make this to that amount of cards in a trade~! I think my list could go as

ichigohoshimiya02, ichigohoshimiya06, ichigohoshimiya18, kobatohanato04, kobatohanato13, ranshibuki04, rinhoshizora11, tomoyodaidouji13, tomoyoitano11, tomoyoitano12, tsumugikotobuki12, tsumugikotobuki17, cutelook01, cutelook16, loveaquarium02, loveaquarium12, victorianball13, victorianball20

it's too early for math problems.