If High Speed Impact hits, the next attack you boost this combat chain gains dominate. (The defending hero can't defend the attack with more than 1 card from their hand.)
Boost (As an additional cost to play High Speed Impact, you may banish the top card of your deck. If it's a Mechanologist card, High Speed Impact gains go again.)
Near Mint Unlimited Normal - $1.00
Lightly Played Unlimited Normal - $1.70
Moderately Played Unlimited Normal - $1.20
Heavily Played Unlimited Normal - $0.90
Damaged Unlimited Normal - $0.70