MAd Sheep training

[juniorp]

Hello guys, i was trying to figure out a macro to self use spellwand, i used this code but it don't stop using spellwand when mad sheep is summon, can someone fix it?

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If
Creatures.(Mad Sheep)<1
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ITEMID:=651
NPCID:=Creature.ByName(CHARACTER NAME)
Creature.ShootOn(!NPCID!, !ITEMID!)
Hotkey.Use(651)