Restricting the cards to a specific two-ink combo makes it easier to avoid possible game-breaking combos later on
Cycling a card costs one mana these days, and that's all you need to trigger Astral Slide
If you havent seen yet, check the full Azurite Sea card list or find your new deck using the Lorcana card database with everything fully added
We could try it in a white aggro deck, splashing black: Creatures (26) 2 Anafenza, Kin-Tree Spirit 1 Dragon Hunter 3 Kytheon, Hero of Akros 4 Consul's Lieutenant 4 Lantern Scout 4 Expedition Envoy 4 Thalia's Lieutenant 4 Town Gossipmonger Lands (22) Spells (12) While the interaction between Incited Rabble and Behind the Scenes is cute (anything back-heavy doesnt die to one-on-one combat, typically) and Behind the Scenes would do good work for breaking standoffs, this list looks like it would be substantially improved by cutting the four black cards for some Archangel Avacyns, Archangel of Tithes, and/or Gideon, Allies of Zendikar
Every unrelenting strike from Exdeath is met head-on by Galuf, empowered by the hope and determination to protect his allies
Lightning Bolt is the other half of the equation, but it isnt anything new