Name:Frenzy Sliver
ManaCost:1 B
Types:Creature Sliver
PT:1/1
S:Mode$ Continuous | Affected$ Creature.Sliver | AddTrigger$ TrigFrenzy | AddSVar$ FrenzyPump | Description$ All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)
SVar:TrigFrenzy:Mode$ AttackerUnblocked | ValidCard$ Card.Self | Execute$ FrenzyPump | TriggerZones$ Battlefield | TriggerDescription$ Frenzy 1 (Whenever CARDNAME attacks and isn't blocked, it gets +1/+0 until end of turn.)
SVar:FrenzyPump:AB$ Pump | Cost$ 0 | NumAtt$ +1 | Defined$ TriggeredAttacker
SVar:PlayMain1:TRUE
SVar:Picture:http://www.wizards.com/global/images/magic/general/frenzy_sliver.jpg
Oracle:All Sliver creatures have frenzy 1. (Whenever a Sliver attacks and isn't blocked, it gets +1/+0 until end of turn.)