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Battle prayer is in there to get another negate if needed, but especially The Might of Faith, from discard especially, is stopped by immunity (Red Dragon), KOT, etc. It could also be used as a way to get Warrior's Spear early (or from discard). But it is not an "essential" card.
I like the idea but idk how viable it is with lacking protection against CBN capture.
Dungeon of malachaiEnslaved by egyptEsau the hunterany capture played by namaanany capture played by nergetc.Also HHI/Gcow hurts you BAD. You need at least 1 more art killer.
Pale has Stocks, Slave Trade, and Captured by Assyria. It has one character where captures can never be negated (Esau the Hunter), one where it can't be negated if Assyria is in play (King Sargon II) and one where one of the captures (Stocks) can't be negated (Pashur the priest). Currently, any deck with TSA has exactly two obstacles: Namaan, and Holy of Holies. If you have neither of those, or they are taken care of, you're toast. In addition to the two EC's I mentioned, King Tiglath Pileser III can also capture after a successful block. What Assyrians don't have, as you've mentioned, is anything close to good initiative. Their smallest character is 3/5. But they have the best weapon in the game, 2kH, which can help out a lot. And pale does have King Jehoiakin, Hophni and Phinehas, and Astrologers, who are all 3/3 or less. So strictly Assyrian may not be the way to go, but Pale does have some nice advantages.Red makes sense with Namaan, but a more effective RC self-capture strategy is Prophets+HT+Side Battles. And along with side battles and pale green comes other fun benefits, like Confusion. All that said, I think this is definitely a solid deck, and it obviously can do well. What I've said here are merely things to consider, and I hope you don't take them as reflecting poorly on your deck. Nice job on your tournament win!
You're doing Self-Capture wrong. Run Assyrians.