Name:Teferi's Moat
ManaCost:3 W U
Types:Enchantment
K:ETBReplacement:Other:ChooseColor
SVar:ChooseColor:DB$ ChooseColor | Defined$ You | SpellDescription$ As CARDNAME enters the battlefield, choose a color. | AILogic$ MostProminentHumanCreatures
S:Mode$ CantAttack | ValidCard$ Creature.withoutFlying+ChosenColor | Target$ You | Description$ Creatures of the chosen color without flying can't attack you.
SVar:Picture:http://www.wizards.com/global/images/magic/general/teferis_moat.jpg
Oracle:As Teferi's Moat enters the battlefield, choose a color.\nCreatures of the chosen color without flying can't attack you.