Keeper Of The Great Flame

Double Strike, Reach & Long Journey (It enters
with a +1/+1 counter on it for each time you've cast
your commander from the command zone this game)
{x}{r}{r}{t}Exile the top X cards of your library.
Until the start of your next turn, you may play
those cards. Any that you do not cast, put them
at the bottom of your library in a random order.
Choose a Background & Monarchy (You become
the Monarch)