Name:Tide of War
ManaCost:4 R R
Types:Enchantment
T:Mode$ BlockersDeclared | Execute$ WarFlip | TriggerZones$ Battlefield | TriggerDescription$ Whenever one or more creatures block, flip a coin. If you win the flip, each blocking creature is sacrificed by its controller. If you lose the flip, each blocked creature is sacrificed by its controller.
SVar:WarFlip:AB$ FlipACoin | Cost$ 0 | Caller$ You | WinSubAbility$ SacBlockers | LoseSubAbility$ SacAttackers
SVar:SacBlockers:DB$ SacrificeAll | Defined$ TriggeredBlockers
SVar:SacAttackers:DB$ SacrificeAll | Defined$ TriggeredAttackers
SVar:RemAIDeck:True
SVar:Picture:http://www.wizards.com/global/images/magic/general/tide_of_war.jpg
Oracle:Whenever one or more creatures block, flip a coin. If you win the flip, each blocking creature is sacrificed by its controller. If you lose the flip, each blocked creature is sacrificed by its controller.