Red Hot (UPR090) - Uprising

Dromai or Fai Specialization (You may only have Red Hot in your deck if your hero is Dromai or Fai.)
Rupture - If Red Hot is played as chain link 4 or higher, it has "When you attack with this, reveal the top X cards of your deck, where X is the number of Draconic chain links you control. Deal damage equal to the number of red cards revealed this way to any target, then shuffle."