Toothcracker

Cast 7+/10+
If this spell is cast with a casting result of 7+ or more, the target friendly unit gains a +1 modifier to its Toughness characteristic (to a maximum of 10). If this spell is cast with a casting result of 10 or more, the target friendly unit gains a +2 modifier to its Toughness characteristic (to a maximum of 10). This spell lasts until the end of this turn.