Four of clubs turned up.

THE PLAY.

Trick 1.

Tricks AB, 0
YZ, 1
1. B Z A↷ Y
3♠ 2♠ 7♠ Qn♠

Trick 2.

Tricks AB, 0
YZ, 2
2. B Z A Y↷
3♦ Kg♦ 5♦ 2♦

Trick 3.