Duel for the Throne

Each player choses a creature they control, then sacrifices the rest. for as long as more then one of
the chosen creatures remains on the battlefield, players can't cast creature spells.
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"The Queens of Nykrodin are known for their skill in
battle. They never back down, never give up. In order
to be crowned queen, first you must defeat all other candidates for the throne. It is a long and bloody
ceremony that often lasts many weeks."