Dragon Cultist

Other commander permanents you control have,
"At the beginning of your end step, if you have completed a dungeon this turn then create a 3/3
Red Dragon creature token with Flying. If not,
then Venture Into The Dungeon and create a
tapped Treasure, Clue, or Food token."
At the beginning of your upkeep, if you control
five or more dragons then you become the
Monarch.