Barton's Pocketwatch

Barton's Pocketwatch {2}

Legendary Artifact
Whenever you untap a nonland permanent, put a winding counter on Barton's Pocketwatch.
{T}: Look at the top card of your library. You may put it into your graveyard. Then if Barton's Pocketwatch has twelve or more winding counters on it, exile it and take an extra turn after this one.
Details
Legalities
  • Barton's Pocketwatch is legal in every format.
Printings
  • The Empty Throne of Feanav (rare)

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