United in Stormwind Cards List & Guide
The majority of these just need a cost adjustment.
Cho'gall could possibly read: "Battlecry: For the rest of the game, your spells cost Health instead of Mana." A little scary. May need a cost boost but a way better effect.
A couple ideas for Sherazin (all of which keep the dormant effect):
-"Revive when you play 3 cards in a turn."
-"Revive once you've played 4 cards."
-"Revive once either player plays 4 cards in a turn."
-"Revive once your opponent plays 3 cards in a turn."