You draw a card, get some lands, and even put cards in the graveyard to Regrowth later
Each has an intended probability of 24/30,000 of being this card
[L] Baby Bolt: 10 damage
For the sake of simplicity, lets call all of these cards "cyclers" (that all can be cycled), and my selections meet the criteria of either a) costing a single mana to discard, b) providing additional value when cycled, or c) ideally both: Greater TanukiGreater Tanuki, Altanak, the Thrice-CalledAltanak, the Thrice-Called, and Shefet MonitorShefet Monitor serve as ramp sources, while Generous EntGenerous Ent, Eagles of the NorthEagles of the North, and Spinewoods ArmadilloSpinewoods Armadillo can help with hitting land drops
The first one gives you a one-time army in a can usually via enters the battlefield effects from creatures like Avenger of Zendikar and Hornet Queen
In the case of this build, that means playing four Dark Ritual, four Springleaf Drums, and four Phyrexian Tower alongside eight free or one mana creatures