The Popov Variation against the Taimanov
One of the easy, sharp and semi-rare options is the Popov variation. It starts with 6.Be3 a6 7.Qd2, which seems like white is intending to go for an English Attack set-up, but then after 7…Nf6 8.f4 will follow, the Popov variation.
de Nico Zwirs