Name:Waterveil Cavern
ManaCost:no cost
Types:Land
A:AB$ Mana | Cost$ T | Produced$ C | SpellDescription$ Add {C}.
A:AB$ Mana | Cost$ T | Produced$ Combo U B | SubAbility$ DBStayTapped | SpellDescription$ Add {U} or {B}. CARDNAME doesn't untap during your next untap step.
SVar:DBStayTapped:DB$ Pump | KW$ HIDDEN This card doesn't untap during your next untap step. | Defined$ Self | Duration$ Permanent
Oracle:{T}: Add {C}.\n{T}: Add {U} or {B}. Waterveil Cavern doesn't untap during your next untap step.
