Searcher of Time

Retrieving Time {3}{u}{u}
Instant - Adventure
Take an extra turn after this one. At the end of
that turn you lose the game, unless you played
Searcher of Time that turn.
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When Searcher of Time enters the battlefield
destroy all other nonland permanents you control.
Until the end of your turn you may play target
noncreature nonland card from your graveyard
without paying its mana cost.