Which tools for changing oil?

My rzr 900 trail is 90 miles up north, so I can’t just go look at it.

What tools do I need to change the oil ? I know where the oil filter is, behind the seat.

Is it just one nut to let the oil out ? Anyone know what size for sure ? Is that all I need ?

Oil wrench
15? MM wrench

Do I need to lift the rzr to get at the nut ? Like ramps, or just sneak under there ?