A toner that minimizes pores?

You can't really minimize pores, but you can make them look minimized. A green clay mask works well. Try Queen Helene found at Walgreens and such like, even the health food stores carry Q.H. Green Clay facial mask. Been around for decades. If you can afford it, try a professional treatment such as Thermage. As far as the toner goes, try plain cheap, witchhazel. Keeping the pores clean makes them appear smaller.