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.
Near Mint 1st Edition Normal - $5.20
Lightly Played 1st Edition Normal - $4.90
Moderately Played 1st Edition Normal - $4.40
Heavily Played 1st Edition Normal - $3.90
Damaged 1st Edition Normal - $3.60