Name:Lethargy Trap
ManaCost:3 U
Types:Instant Trap
A:SP$ PumpAll | Cost$ 3 U | ValidCards$ Creature.attacking | NumAtt$ -3 | IsCurse$ True | SpellDescription$ Attacking creatures get -3/-0 until end of turn.
A:SP$ PumpAll | Cost$ U | ValidCards$ Creature.attacking | NumAtt$ -3 | IsCurse$ True | IsPresent$ Creature.attacking | PresentCompare$ GE3 | NonBasicSpell$ True | SpellDescription$ If three or more creatures are attacking, you may pay {U} rather than pay CARDNAME mana cost.
SVar:Picture:http://www.wizards.com/global/images/magic/general/lethargy_trap.jpg
Oracle:If three or more creatures are attacking, you may pay {U} rather than pay Lethargy Trap's mana cost.\nAttacking creatures get -3/-0 until end of turn.