Blizzard Sale

All costs are reduced by half their original
mana value rounded up. (This includes but
not limited to activated abilities, mana costs,
casting costs and so on. Half each symbol.
For example, If Cancel costs {1}{u}{u}, half
of {1} rounded up is still {1}. Making sure to half
each symbol, half of {u}{u} is {u}. Therefore,
Cancel would cost {1}{u}. )