I really like this card. I like Matt's suggestion of making the cost

and/or increasing the creature reward to 2 life. Would this be overpowered if the land tapped for

rather than

? It would seem to me that if the activation was

and the mana production was

, it would stay true to the your basic vision for the card in terms of flavor (Which was very well conveyed, by the way) while also allowing it to see some constructed-format play beyond it's intended niche of

.
Though it would probably get a CITP restriction or it would be better than a basic plains in

/X control decks or any control deck that could splash

and wouldn't turn its nose up at a little free

.
Essentially this in multiples is like saying "Wrath/Damnation/Counter, gain 4+life next turn."