Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25416291-20141018080953/@comment-25581781-20150719120957

Uselessguy wrote: First you can play AE - Day 2. After playing, try to remember when the Buckethead Mummy appears.

Repeat, if you remember, when a glowing zombie comes, plant a Potato Mine at the 9th column, where the Buckethead Mummy will appear.

(Not always I get gem from him, still, but 75% first, then 25% and 0%) It worked for me once, but backwords.