Actually, there are Dregmar Runebrand (Magnataur), Runemaster Molgeim (Iron Vrykul), Runemaster Skomjorn (Vrykul), Iron Rune Runemaster (Iron Dwarf) and Gorian Runemaster (Ogre).
They use abilities like:
Rune Shield — Protects the caster from all damage for 30 sec.
Shield of Runes — Covers the caster in magic runes, absorbing up to 20000 damage. If 20000 damage is absorbed, this damage in converted into a powerful burst of energy, increasing the caster's damage by 50% for 15 sec.
Rune of Power — Summons a Rune of Power under a random friendly target. This rune increases damage by 50% of all friendly and enemy targets within 5 yards.
Rune of Death — Summons a Rune of Death at a random enemy target's location. This rune deals 2750 Shadow damage every half-second to anyone within 13 yards of that location. Only available when under the affect of [Supercharge].
Rune of Summoning — Creates a Rune of Summoning near a random enemy. This rune will periodically summon Lightning Elementals, which will rush towards random enemies and explode. Only available with 2 stacks of Supercharge.
Lightning Blast — Unleashes a large blast of lightning, dealing 9425 to 10575 Nature damage to all enemies within 30 yards of the caster but killing the caster in the process. Only available with 2 stacks of Supercharge.
Rune of Destruction - Marks an enemy with destructive arcane energy, inflicting 18525 to 20475 Arcane damage to them and their allies within 6 yards for 15 sec.
Rune of Disintegration - Conjures a field of arcane energy that persists for 30 sec. Enemies within the field suffer 12500 Arcane damage every 0.5 sec.
Rune of Unmaking - Inflcits 17005 to 18795 Arcane damage to an enemy.
Rune of Destruction - Marks an enemy with destructive arcane energy, inflicting 18525 to 20475 Arcane damage to them and their allies within 6 yards for 15 sec.
https://wowpedia.fandom.com/wiki/Rune_magic