Paladin is widely acclaimed to be the current worst class in duels, however I've experimented and found that if you manage to land on the rush or dragon affinity passive, the deck can easily reach at least 8 wins consistently. Paladin as a class is something I wouldn't personally recommend in heroic, but when you manage to land either of the 2 passives mentioned above it can excel. Good luck, and don't be greedy with your buckets, the reason paladin sucks right now is because all of it's gameplans are too greedy and you fall behind.

UPDATE: Paladin remains dumpster tier if not worse in duels, this build seems to transition better into the late game as compared to my other duels paladin list featuring the weapon as the treasure of choice. Either way, paladin is useless unless you land the passives I mentioned earlier, as well as a good secondary like Emerald goggles. :(

Could consider running zoobot, armor vendor, rally, or even moonfang but no reason to even bother, its specific passive or bust because of paladin's playstyle