If you are going first and side this, replace Gameciel, the Sea Turtle Kaiju with this card since it is most useful going second, essentially changing the deck into a way more powerful deck for going first
Price is firm
That doesnt matter though if you lose the game to someone who might be taking 2, 3, or even 4 extra turns
However, with the physical card game, The Pokmon Company has balanced power creep pretty well
C Common Smoke Mosquito X DARK Level 1 [ InsectEffect ] ATK 0 DEF 0 During damage calculation, if you would take battle damage from an opponent's monster's attack (Quick Effect): You can Special Summon this card from your hand, and if you do, the damage you take from that battle is halved, also end the Battle Phase after the Damage Step
Fun fact: Cinderaces signature move, Pyro Ball, is so fierce it can burn through steel