Name:Deep Water
ManaCost:U U
Types:Enchantment
A:AB$ Effect | Cost$ U | ReplacementEffects$ ReplaceU | SpellDescription$ Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.
SVar:ReplaceU:Event$ ProduceMana | ActiveZones$ Command | ValidActivator$ You | ValidCard$ Land.YouCtrl | ValidAbility$ Activated.hasTapCost | ReplaceWith$ ProduceU | Description$ If you tap a land you control for mana, it produces U instead of any other type.
SVar:ProduceU:DB$ ReplaceMana | ReplaceType$ U
AI:RemoveDeck:All
AI:RemoveDeck:Random
Oracle:{U}: Until end of turn, if you tap a land you control for mana, it produces {U} instead of any other type.