Ininite Attacking Damage

[BoyMac]

{Kiki-Jiki, Mirror Breaker} + {Intruder Alarm}

Copy one of your creatures which untaps kiki-jiki. Rinse and repeat.

[Kiki-Jiki, Mirror Breaker]

Again with my awsomeness!

[BlackJester]

Again with my awsomeness!

Yes you are broken.
Edit: you can swap {Intruder Alarm} for {Village Bell-Ringer} (Ye olde Intruder Alarm XD). Toss in and creature with a tap ability ({Prodigal Pyromancer}) and bypass combat altogether.