Name:Vassal's Duty
ManaCost:3 W
Types:Enchantment
A:AB$ Effect | Cost$ 1 | ValidTgts$ Creature.Legendary+YouCtrl | TgtPrompt$ Select target legendary creature to redirect damage from | ReplacementEffects$ DamageEvent | SVars$ DamageEventDmg | References$ DamageEvent,DamageEventDmg | Duration$ HostLeavesOrEOT | RememberObjects$ Targeted | ExileOnMoved$ Battlefield | SpellDescription$ The next 1 damage that would be dealt to target legendary creature you control is dealt to you instead.
SVar:DamageEvent:Event$ DamageDone | ValidTarget$ Creature.IsRemembered | ReplaceWith$ DamageEventDmg | Description$ The next 1 damage that would be dealt to target legendary creature you control is dealt to you instead.

SVar:DamageEventDmg:DB$ ReplaceSplitDamage | DamageTarget$ You

SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/vassals_duty.jpg
Oracle:{1}: The next 1 damage that would be dealt to target legendary creature you control this turn is dealt to you instead.