What would you like to modulate in the EQ?

To be honest it sounds to me like you're trying to figure out a way to put a square peg in a round hole, to use a hammer when you should just use a screwdriver.

Each tool in music production is going to have its strengths and weaknesses as well as use cases that are just not appropriate for a specific tool.

If you need reverb, use a reverb. There's multiple different kinds to play with.

Try not to over complicate things. You'll just end up wasting a lot of time.