Name:Mox Diamond
ManaCost:0
Types:Artifact
A:AB$ Mana | Cost$ T | Produced$ Any | SpellDescription$ Add one mana of any color to your mana pool.
R:Event$ Moved | Destination$ Battlefield | ValidCard$ Card.Self | ReplaceWith$ PayBeforeETB | Description$ If CARDNAME would enter the battlefield, you may discard a land card instead. If you do, put CARDNAME onto the battlefield. If you don't, put it into its owner's graveyard.
SVar:PayBeforeETB:AB$ Discard | Cost$ 0 | DiscardValid$ Land | Mode$ TgtChoose | RememberDiscarded$ True | Optional$ True | AILogic$ Always | SubAbility$ MoveToGraveyard
SVar:MoveToGraveyard:DB$ ChangeZone | Origin$ All | Destination$ Graveyard | Defined$ ReplacedCard | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ0 | References$ X | SubAbility$ MoveToBattlefield
SVar:MoveToBattlefield:DB$ ChangeZone | Origin$ All | Destination$ Battlefield | Defined$ ReplacedCard | ConditionCheckSVar$ X | ConditionSVarCompare$ EQ1 | References$ X | SubAbility$ DBCleanup
SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True
SVar:X:Remembered$Amount
SVar:NeedsToPlayVar:Y GE1
SVar:Y:Count$ValidHand Land.YouCtrl
SVar:PlayBeforeLandDrop:TRUE
SVar:Picture:http://www.wizards.com/global/images/magic/general/mox_diamond.jpg
Oracle:If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.\n{T}: Add one mana of any color to your mana pool.