Name:Breeding Pit
ManaCost:3 B
Types:Enchantment
K:UpkeepCost:B B
T:Mode$ Phase | Phase$ End of Turn | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigToken | TriggerDescription$ At the beginning of your end step, create a 0/1 black Thrull creature token.
SVar:TrigToken:AB$Token | Cost$ 0 | TokenImage$ b 0 1 thrull | TokenName$ Thrull | TokenColors$ Black | TokenTypes$ Creature,Thrull | TokenPower$ 0 | TokenToughness$ 1 | TokenOwner$ You | TokenAmount$ 1
SVar:Picture:http://www.wizards.com/global/images/magic/general/breeding_pit.jpg
Oracle:At the beginning of your upkeep, sacrifice Breeding Pit unless you pay {B}{B}.\nAt the beginning of your end step, create a 0/1 black Thrull creature token.