^ That's odd. It's been working every day since I found it out and tested it. Was your Ranch full at the time? (As in, had you already received Phione and Mew?)
I'd recommend giving it another shot, just in case. I'm not exactly sure what the chances are that what she brings the next day will be one of her trade-ables if you try that trick (although, over half the time, it's extremely likely).
I'd recommend giving it another shot, just in case. I'm not exactly sure what the chances are that what she brings the next day will be one of her trade-ables if you try that trick (although, over half the time, it's extremely likely).