Metal Sonic, the Destroyer

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Double Dash Slash — Whenever another source you control deals exactly 1 damage to a permanent or player, Metal Sonic, the Destroyer deals 2 damage to that permanent or player.

"I'll show you the true meaning of speed."
-Metal Sonic