Fake Shahrazad

Players must leave game in progress as it is and
use the cards left in their libraries as decks with
which to play a subgame of Magic. When
subgame is over, players shuffle these cards,
return them to libraries, and resume game in
progress, with any loser of subgame halving
his or her remaining life points, rounding down.
Effects that prevent damage may not be used to
counter this loss of life. The subgame has no
ante, using less than forty cards may be necessary.