Karpoi

Grain slash{w}{g}{g}{g}{x} Tap all of target player's creatures, then for however many extra mana you tap, do 5 times that much damage.
Drop out{5}{x} Take no damage for 2 turns, and target player skips turns for however extra mana you tap for this ability.
The Karpoi are grain spirits, tied to a particular grain. They are the sons of Gaea, the goddess of the earth, and Tartarus, the King of the Abyss, who are also siblings.