Shadow in the Warp is an insane card, even outside of this deck
Once played, any chosen players must discard their hands and draw three new cards
Their ability reads whenever a nontoken knight you control dies, each opponent loses 1 life and you draw a card
Bahamut, Warden of Light Braska's Final Aeon Esper Terra Ifrit, Warden of Inferno Phoenix, Warden of Fire Shiva, Warden of Ice Summon: Alexander Summon: Anima Summon: Bahamut Summon: Brynhildr Summon: Choco/Mog Summon: Esper Maduin Summon: Esper Ramuh Summon: Fat Chocobo Summon: Fenrir Summon: G.F
It functions in all zones, not only while a card that has it is on the battlefield
But Daxoa and Kelsien want to do very different things - casting enchantments and killing creatures, respectively - and I'm not sure trying to smush the two themes together will yield great results