For once, this is pretty straightforward, and I appreciate Wizards giving us a break from the wacky things theyve done in sets to make certain things more scarce than usual
Secret Lair store
When you swung with the first you could stack the triggers so the token churning happened first, and now you had 7 damage swinging on turn five, and 11 on turn six from the Hero of Bladehold alone, without any help
However, it has one final effect
: Level 2 Whenever you gain life, put a +1/+1 counter on target creature you control
I think, just because it's attack is so good and its ability is so good -- and they kind of work together in that its ability is defensive, and it requires a lot of energy to attack -- I think that it will probably see play, but in a very specific deck that can support its energy requirement