If you have played or created 1 or more auras this turn, Swarming Gloomveil gains go again. If you have played and/or created 2 or more, it gains +1[Power]. If you have played and/or created 3 or more, it gains "When this hits a hero, they can't prevent arcane damage from sources you control this turn."
NM-Mint 1st Edition Normal - $28.20
Lightly Played 1st Edition Normal - $26.80
Moderately Played 1st Edition Normal - $25.40
Heavily Played 1st Edition Normal - $22.60
Damaged 1st Edition Normal - $18.30