Bowser, Floating Fortress

Shroud, Flying, Defender, Merciless
When Bowser, Floating Fortress enters the
battlefield, create 6 5/5 colorless plant creature
tokens with flying, then, put a cloud counter on
each. Whenever one or more plants with Flying
and at least one cloud counter on them were to
die, put that many -1/-1 counters on Bowser,
Floating Fortress, then, if Bowser, Floating
Fortress were to die, search your library and
graveyard for a non-Scion Wonder Bowser
creature, then, put it on to the battlefield