Those are Storyborn, Dreamborn, and Floodborn
This means you can Sacrifice them to gain some life, or you can use your Artifact removal on your Opponents Creatures
Hushbringer can stop everything from Dockside Extortionist to Blood Artist , so it might be worth running fewer of your own enters-the-battlefield creatures to deter certain powerful cards
Bloomburrow would be a very interesting campaign setting, but require completely rebalancing characters and species becomes far more important for your power set than your class it's more difficult than other MtG sets to translate
Pull rate: 1-2 per pack Artwork: Standard color artwork, light foil shimmer on specific elements Competitive relevance: High
When you finish comboing off you'll have as much mana as you need, a bunch of enchantments on the board, and probably not many cards left in your library