Name:Thran Turbine
ManaCost:1
Types:Artifact
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | OptionalDecider$ You | TriggerZones$ Battlefield | Execute$ ChooseAmount | TriggerDescription$ At the beginning of your upkeep, you may add {C} or {C}{C} to your mana pool. You can't spend this mana to cast spells.
SVar:ChooseAmount:DB$ ChooseNumber | Min$ 0 | Max$ 2 | ListTitle$ Choose the amount of mana | SubAbility$ DBMana
SVar:DBMana:DB$ Mana | Amount$ X | References$ X | Produced$ C | RestrictValid$ nonSpell
SVar:X:Count$ChosenNumber
SVar:RemRandomDeck:True
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/thran_turbine.jpg
Oracle:At the beginning of your upkeep, you may add {C} or {C}{C} to your mana pool. You can't spend this mana to cast spells.