If you have discarded a card with 6 or more [Power] this turn, Massacre gains +2 [Power] and intimidate.
If Massacre is discarded to pay the cost of a Brute attack action card, the attack gains intimidate.
NM-Mint 1st Edition Normal - $3.40
Lightly Played 1st Edition Normal - $3.10
Moderately Played 1st Edition Normal - $2.70
Heavily Played 1st Edition Normal - $2.40
Damaged 1st Edition Normal - $1.70