Village/Chancellor.
3. Chancellor -> buy Baron.
4. Village, Baron (discard), Chancellor -> buy Province.
5. Village, Baron (discard), Chancellor -> buy Province.
6. Village, Baron (discard), Chancellor -> buy Province.
7. Village, Baron (discard), Chancellor -> buy Province.
8. Village, Baron (discard), Chancellor -> buy Province.
9. Village, Baron (discard), Chancellor -> buy Province.
10. Village, Baron (discard), Chancellor -> buy Province.
That's 7...