SCP-173, the Neck Snapper

Defender
{6}, SCP-173, the Neck Snapper loses Defender, gains +10/+0, and has First Strike until end of turn. SCP-173, the Neck
Snapper must be blocked.
"Whatever you do, don't blink. Don't blink,
don't blink, don't... oh, you blinked."
-Dr. Alto Clef