Rules glossary
↑ Parent rule: 730.2 To merge an object with a permanent, place that object on to…
730.2e If a merged permanent contains face-up and face-down components, the permanent’s status is determined by its topmost component. If a face-down permanent becomes a face-up permanent as a result of an object merging with it, other effects don’t count it as being turned face up.
No sub-rules.