Sigil of Alacrity is a rare Demon Hunter spell card that belongs to the "United in Stormwind" set, which was released on 03.08.2021 and is one of initially 135 cards. The artist of this card was Hideaki Takamura, who also made 62 other artworks for Hearthstone.
The flavor text of the card is the following: Red means stop. Purple means GO REALLY FAST.
The card is on average to memorize with 85% of correct quiz questions.
