England's secret weapon for the Ashes, fast bowler Steven Finn, will be kept under wraps during the five-match ODI series against Australia starting on June 22. Finn, who made an impressive home Test debut against Bangladesh at Lord's, will play in the second Test at Old Trafford beginning on Friday and then disappear from the international stage until the Test series against Pakistan, starting on July 29. Explaining the team's decision, England skipper Andrew Strauss said.