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.)

Set: History Pack Vol. 1
Finish: Regular
Type: Action
Subtype: Attack
Rarity: Rare
Class: Mechanologist
Cost: 1
Defense: 3
Power: 4