Sylvie of Earth

: Dragons you control get +2/+2 and gain Trample.
+2: Destroy up to two lands, for each land destroyed, that many lands you control become 3/3 green elemental dragons with flying.
-10: Each player gets an emblem with "lands you control are indestructible and can't be sacrificed." Transform Sylvie. (this counts as re-entering)