I'm Batman, HA HA HA

Multikicker {u}{u}{b}
This spell can't be countered.
Target opponent discards his or her hand and
taps all their permanents. Opponent's mana pool
is emptied.
If this spell was multikicked, take an extra turn
after this one.
...see Bruce, I promised... you're not ready for this
at all. -Joker