Kronos, Creator of Time

Double Strike, menace, hexproof
{4}{u}{b}{r} : Whenever Kronos, Creator of
Time becomes blocked, take an extra turn after
this turn. Kronos, Creator of Time does not
untap during an extra turn.
"Time is a flat circle, we can do this, over and over
again or have we done this before?"
- Kronos, Creator of Time