how much yugioh cards sell for Price Guide Yu-Gi-Oh Single Cards YU-GI-OH! Cost Down - MAZE-EN055

I suppose the other possibility is water damage, but if the rest of the card looks great then it is unlikely to be due to water

What are the weaknesses and retreat cost of this Wishiwashi ex card

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Counters Counters (CTRL to add secondary) Draw Emberheart Challenger Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Valiant Whenever this creature becomes the target of a spell or ability you control for the first time each turn, exile the top card of your library

Charizard VSTAR is reasonably powerful, but it may take too long to set up, whereas a different card, like Entei V, could be far more effective instead for the same purposes