Azelf, The Enforcer

Azelf, The Enforcer enters the battlefield
with {e}{e}{e}{e}.
When Azelf, The Enforcer enters the battlefield, choose target creature. That creature gains defender until Azelf, The Enforcer leaves the battlefield.
During any player's attack phase, you may remove {e}. If you do, choose one:
-Target creature that can attack must attack this turn.
-Target creature that can block must block this turn.
-Target attacking creature must attack target
player this turn.