I need a few cards for my EDH deck. I am looking specifically for

1x Enlightened Tutor
1x Mystical Tutor
1x Demonic Tutor
1x Sol Ring

I'm only interested in the Revised/Mirage editions of these cards (aka the least expensive editions) valued at that specific edition's average price at TCG. Check out my tradelist and set up a trade! I'd prefer to do this within Canada but US is fine too.