[R] Dark Flame (20)
Discard 1 R Energy card attached to Houndoom or this attack does nothing. If there are any D Energy cards in your discard pile, attach 1 of them to Houndoom.

[2D] Black Fang (30+) Flip a number of coins equal to the number of D Energy attached to Houndoom. This attack does 30 damage plus 10 more damage for each heads.