Pyrohemia has great synergy with our Dinosaur Tribal since it is a repeatable Enrage enabler and at the same time it can deal a considerable amount of damage to each creature and each player and become a board wipe or even a finisher
If I had to think of a downside to this set (which was damn near impossible), it would be this
These powerful cards enable bounce strategies that let you take advantage of effects that happen when cards enter and leave play
It's a perfect include in Blink decks that want to take advantage of permanents with effects that trigger when they enter the battlefield
It was a three ability, three mana, solid body that was a lot in one package
All this to say that once the TMNT is officially released, Jenova might become a deadly Commander for black-green decks that lean heavily on radical characters like Splinter, Shredder, and Michaelangelo