Name:Heaven
ManaCost:X G
AlternateMode: Split
Types:Instant
A:SP$ DamageAll | Cost$ X G | ValidCards$ Creature.withFlying | NumDmg$ X | References$ X | SpellDescription$ CARDNAME deals X damage to each creature with flying.
SVar:X:Count$xPaid
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/heaven_earth.jpg
Oracle:Heaven deals X damage to each creature with flying.

ALTERNATE

Name:Earth
ManaCost:X R R
Types:Sorcery
K:Aftermath
A:SP$ DamageAll | Cost$ X R R | ValidCards$ Creature.withoutFlying | NumDmg$ X | References$ X | SpellDescription$ CARDNAME deals X damage to each creature without flying.
SVar:X:Count$xPaid
Oracle:Aftermath (Cast this spell only from your graveyard. Then exile it.)\nEarth deals X damage to each creature without flying.