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Play this card after any number of cards enter the
field, before that player's turn ends. Exile all of
those cards and reverse any effects, abilities,
attacks, any things that those cards did this turn.
X is equal to 1.5 times the number of cards exiled
by this card. If Mana is insufficient to exile all
cards played this turn, cards are exiled in order
of most recently played. After this card's effects
resolve, place this card on top of the targeted
player's library.