#showtooltip Bloodlust
/cast Bloodlust
/raid Bloodlust is upCasts your haste cooldown and tells the group, so a second Shaman or Mage does not overlap theirs. Horde Shamans should swap Heroism for Bloodlust.
Places the damage-sharing totem at your cursor. Spirit Link only helps players standing inside it, so dropping it on the group rather than on yourself is the entire skill.
#showtooltip Spirit Link Totem
/cast [@cursor] Spirit Link Totem