Black Hole is a great way for many of Regent's more "fair" decks to deal damage in a more unfair way. Adding area of effect damage to miscellaneous Commons and Uncommons can be a nice way to bridge the gap in Strength requirement between Act 1 and Act 2.
Only deals damage once regardless of how many stars you get or spend, so this is better with a large number of cards with a low star cost such as Cloak of Stars.
Choose a card in your Hand to Transform into Minion Strike.
Draw 1 card. Gain . Gain . Forge 5. Exhaust.
Whenever you spend or gain , deal 3 damage to ALL enemies.
Deal 18 damage. At the start of your turn, if this is in your Exhaust Pile, play it. Exhaust.
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