Name:Marsh Gas
ManaCost:B
Types:Instant
A:SP$ PumpAll | Cost$ B | ValidCards$ Creature | IsCurse$ True | NumAtt$ -2 | SpellDescription$ All creatures get -2/-0 until end of turn.
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/marsh_gas.jpg
Oracle:All creatures get -2/-0 until end of turn.