Spitelash Siren is a Mage minion card (rarity: epic) that belongs to the "Voyage to the Sunken City" set, which was released on 12.04.2022 and is one of initially 135 cards. The artist of this card was Konstantin Porubov, who also made 60 other artworks for Hearthstone.
The card costs 4 mana, has 2 attack and 5 health, and its card text reads: "After you play a Naga, refresh two Mana Crystals. (Then switch to spell!) After you cast a spell, refresh two Mana Crystals. (Then switch to Naga!)"
The flavor text of the card is the following: Refresh the rainbow.
Based on 50 quiz answers, the card is moderately hard to memorize: 86% of them were correct. The question on “Name” is answered correctly most often (94%), the one on “Health” least often (67%). An answer takes 6.3 seconds on average. In the Pixel Quiz, which shows only the shape and colour of the card, it was recognised correctly 88% of the time.