(((( rip dreadkull shieldI'd say offhand since shamans dont have any spells or abilities that requiers a shield. you will miss out on the armor from the shield tho, but higher ilvl might negate that.
(((( rip dreadkull shield
u wanna be able 2 cockblock with that shieldShield has too much armor and your block chances vanish when you equip offhand. Sheild>offhand
Can't queue, no sub on USShield for sure. The mitigation you get from it trumps the flower. Look at your armor difference next time you are in a battleground.