The archetypes primary guiding voice was historically great deckbuilder Mike Long who actually went on to win that Invitational with Keeper, albeit with both copies of The Abyss in the sideboard
Consider offering both standard and expedited shipping options
Most players are in awe when they play against him for the first time, as they quickly realize hes effectively the green analog of Kediss, Emberclaw Familiar but with a permanent Hunters Insight effect
The deck features 4 copies each of Dragonlord's Servant, Dragonspeaker Shaman, Cultivate, and Orb of Dragonkind, to help accelerate, fix mana, and cast your dragons several turns ahead of schedule (not to mention help dig for additional dragons with orb)
Member-only story Impulse is a Half Memory Deluge And Works So Well MTG: Arena Dominaria United Standard has another good cheap card selection spell