King Bomb

{1}{t}, add one 1/1 bomb elemental with "sacrifice Bomb Elemental, deal 3 damage to any target"
{3}{t} Sacrifice King Bomb, it deals {x} damage to any target where {x} is the number of 1/1 bomb elementals with "sacrifice Bomb Elemental, Deal 3 damage to any target.
Now this is an assembly line