Burn it All

All your creatures gain Haste.
At the beginning of each turn destroy 1 + X lands
of the player with the most lands in play (X is the
number of counters on Burn it All), After that
put an counter on this enchantment.
If there are no lands left in play, the active player
discards the first 1 + X cards from his library and
put an counter on this enchantment.