Demonic Collusion : Its buyback ability allows repeated use, making it a consistent threat in longer games
Naturally, if you happen to have the most expensive card in a set within the pack, its a different story
In Pioneer, this can be played alongside Kumenas Speaker for some high-powered one-drop density
For the first few years of its production, Magic: The Gathering featured a small number of cards with names or artwork with demonic or occultist themes, in 1995 the company elected to remove such references from the game
It can be OK as a cheap mini wrath for a control player who can get some use out of the other ability with tokens etc but at that it is not worth a cube slot, certainly not a gold one
And you can pay a couple more mana to create a 6/6 demon token with Ritual Chamber, which drains your opponents and presents a clock