You are South. None vul, matchpoints.
You hold:
AAQ10876AKQ10K2
What is your next call on this auction:
*On this auction, a 3 bid is stronger than a jump to game
4NT. You should use Keycard Blackwood to find out abou tthe two missing keycards. You aren't missing the first two tricks in any suit. If partner has 2 Keycards, you can bid 7 (or a greedy 7NT).