Trog, Bild Ruinator

Flying, Trample
Whenever Trog, Bild Ruinator would deal damage to a creature, that creature gains "When this creature dies, put a Chaos counter on target creature named Trog, Bild Ruinator."
At the beginning of your end step, if Trog, Bild Ruinator has 7 or more Chaos counters on it, destroy all lands.