Ambush is attacks cannot be defended right? Good ability. It will make it easy to gain early board control with stealthed blake and killing enemy allies without them being able to defend themselves.

Name: Drix Lightsting
Ability: (5): Enemy allies cannot attack or defend till the start of your next turn.
Flavor: His speed is fast but his stings are faster.

His ability will make you have 2...

Overpowered to death!

Name: Scorpid Fetcher
Ability: (4): Take one random card from opponent's graveyard.
Flavor Text: "He can fetch you anything!."