At one point I had Herd Heirloom in this to give Diamond Weapon trample, and I'm not sure that's not the right move
This definitely feels more like the kind of Starter Deck you could use as a skeleton for a competitive deck
However, it does give you energy all on its own and because it also returns to your hand when you activate it, its going to keep giving you energy
Open 10 draft booster packs and dive into Zendikar, Magic's tumultuous world of danger and adventure
Five life and five mana for five cards is decent but it is inflexible and not a better tool than Skeletal Scrying, Necropotence, Necrology, Yawgmoth's Agenda or any of the top end alternatives really
The finisher is that a lot of these cards become even more powerful thanks to Light of Promise, an aura card that costs three-mana that puts +1/+1 counters on the creature it is attached to for every point of life gained