Seven Heavens

Plane— Mercuria
Whenever a white creature dies, return it to
the battlefield under its owner's control at
the beginning of the next end step.
Whenever a nonwhite creature dies, return
it to its owner's hand at the beginning of the
next end step.
Whenever you roll a {p/c} (Chaos Symbol), you may create one of the following:
7/7 Solar white angel with flying & vigilance or
5/5 Platinum Dragon with flying & lifelink.