make your own mtg card Conjurer You may exile a nonland card from among them How to make a custom
Description
This is effectively 4 mana for a delve spell

Heck, why not just spend two colorless and put a Vampire Hexmage on the battlefield

You lose 1 life

Yes, we wanted it to play well by itself, but we also had to think ahead to when it would be played with Return to Ravnica and Dragon's Maze
putting an extra land on the battlefield, like with a fetch land, won't trigger Horn of Greed

So lets look at the cards I found out about (mainly from a reddit post)