Swarming Gloomveil Rainbow Foil CRU1st then destroy it unless you

then destroy it unless you put an Earth card from your pitch zone on the bottom of your deck for each flow counter on it

You may have specialization cards of any hero in your deck

Holds Standard Cards sized up to 2

put a -1 [Defense] counter on it when the combat chain closes then destroy it if it has 0 [Defense]

Swarming Gloomveil Rainbow Foil CRU1st then destroy it unless youIf 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."