Sontai Time Archmage

At the beginning of your end step, if it is not an extra turn, take an extra turn after this one.
At the beginning of your upkeep, you may skip this turn, if you do, Draw three cards. You and permanents you control have hexproof until your next turn.
"We have all the time in the world. You have only as much time as you have left of your short life."