Name:Spawning Pool
ManaCost:no cost
Types:Land
K:CARDNAME enters the battlefield tapped.
A:AB$ Mana | Cost$ T | Produced$ B | SpellDescription$ Add {B} to your mana pool.
A:AB$ Animate | Cost$ 1 B | Defined$ Self | Power$ 1 | Toughness$ 1 | Types$ Creature,Skeleton | Colors$ Black | Abilities$ ABRegen | SpellDescription$ CARDNAME becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)
SVar:ABRegen:AB$Regenerate | Cost$ B | SpellDescription$ Regenerate CARDNAME.
SVar:Picture:http://www.wizards.com/global/images/magic/general/spawning_pool.jpg
Oracle:Spawning Pool enters the battlefield tapped.\n{T}: Add {B} to your mana pool.\n{1}{B}: Spawning Pool becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)