King of the Monsters

Flying, Vigilance, Double Strike, Hexproof
At the beginning of each upkeep, if you control more than 5 Flying Monster token creatures, target opponent looses 6 life.
Command the Ranks: {5}, {t}, create 5 2/1 Flying Monster token creatures.
Control the World: {7}, {t}, you gain control of each opponent card and each opponent looses half of their life total.