Daegon the Dusk Dragon

Flying, Hexproof, Trample
When Daegon the Dusk Dragon enters the battlefield, if it is not day or night, it becomes
day.
When day becomes night, put a +1/+1 counter
on Daegon the Dusk Dragon and draw a card.
When night becomes day, Daegon the Dusk
Dragon deals 2 damage to each other creature
and planeswalker.