Outside of that, it's a solid inclusion in any of the Draft formats where it's available (Cube, Ikoria , and March of the Machine )
In fact, it can theoretically churn out more than 6 mana on turn 4, which allows you to cast heavy hitters faster than your opponent can react
If the price is far below that value, you should proceed with caution
You can't put a Teferi's Moat out there for a long, long time against decks unknown with the knowledge that an enchantment removal or bounce spell will almost certainly kill you unless you are very brave, and once you start down the Moat road it's hard to stop
Also, if you spend more than six mana on X, you get a creature back, which is similar to the Finale cycle