Legendary House

While Legendary House is on the battlefield: all Builders and Crafters have protection from all spells and abilities.
Level 1: during upkeep, create 3 {g} and doesn’t leave at each end step.
Level 2: Create a tree token at end step.
Level 3: Add an Ore artifact to your hand from the graveyard.
Level 4: Legendary House has Indestructible.
Level 5: {t}: untap Alex or Steve.