Liberty Prime comes with vigilance, trample, and haste, which is great on an 8/8 body
But doing both and giving this blue creature flash is just distasteful, to the point where I question why people would even want to play this in a Cube environment
It should perform well enough on competitive level, so don't be surprised to see it go up to $10 per card or even higher, depending on the performance of Mono-Red Aggro decks this season
Skipping a turn early is rarely a real cost, because once the engine is online, that stored eon counter turns into explosive extra turns later
This means that, while many infinite sacrifice engines will still do the trick, some combos that Cutthroat and company enable won't be as effective