Is dust the name I would have chosen
But Ashaya, Soul of the Wild, Dryad Arbor, and Life and Limb all refer to summoning sickness in their full oracle text
Pet cards do not necessarily need to be the most powerful or impactful of cards, as they can be cards of which a player is very fond or to which they have an emotional attachment, due to those cards suiting their playing style or personality, so I would prefer to not discuss the power level of such cards or judge other players for having pet cards
Canopy Tactician
That said, you do have the potential to cast this spell for as cheap as just three blue mana, which is cheaper than most extra turn spells, and those generally have a downside
It's basically breakfast, second breakfast, elevenses, luncheon, afternoon tea, dinner, and supper