Name:Lava Tubes
ManaCost:no cost
Types:Land
S:Mode$ Continuous | Affected$ Card.Self+counters_GE1_DEPLETION | AddHiddenKeyword$ CARDNAME doesn't untap during your untap step. | Description$ CARDNAME doesn't untap during your untap step if it has a depletion counter on it.
A:AB$ Mana | Cost$ T | Produced$ B | Amount$ 1 | SubAbility$ AddCounter | SpellDescription$ Add {B} to your mana pool. Put a depletion counter on CARDNAME.
A:AB$ Mana | Cost$ T | Produced$ R | Amount$ 1 | SubAbility$ AddCounter | SpellDescription$ Add {R} to your mana pool. Put a depletion counter on CARDNAME.
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigSubCounter | TriggerDescription$ At the beginning of your upkeep, remove a depletion counter from CARDNAME.
SVar:TrigSubCounter:AB$RemoveCounter | Cost$ 0 | Defined$ Self | CounterType$ DEPLETION | CounterNum$ 1
SVar:AddCounter:DB$PutCounter | Cost$ 0 | Defined$ Self | CounterType$ DEPLETION | CounterNum$ 1
SVar:Picture:http://www.wizards.com/global/images/magic/general/lava_tubes.jpg
Oracle:Lava Tubes doesn't untap during your untap step if it has a depletion counter on it.\nAt the beginning of your upkeep, remove a depletion counter from Lava Tubes.\n{T}: Add {B} or {R} to your mana pool. Put a depletion counter on Lava Tubes.