R.O.B

{1} R.O.B gains flying until end of turn
{t} create 1 energy token
{e}, deal 1 damage to target creature or player
{e}{e},deal 2 damage to target creature or player
{e}{e}{e}, deal 3 damage to target player
Although not especially helpful around the workshop, their eagerness to help and convenient heat source has many inventors keeping them around