Hidden Cove and Rapunzel also add to the Will Power of your characters, which will come in handy so you can keep them around long enough to make an impact
Discover your true self by crossing the boundary of eternal day into eternal night and rise triumphant as a
However, that five-mana difference materializes through two very real drawbacks: the cumulative upkeep cost of one generic mana, and the ability of your opponents to player it around it
Dragonstorm This tutors out a Dragon to the battlefield once for each storm count
Creature - Knight Angel Karmic Guide Flying, protection from black Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield
My theory on Sol Ring (and ramp in general, for that matter) is either we want it all the time or we should work around it, because if it means 10% of our deck is dead after our opening hand, it's probably not worth it