Caged Sun (Retro) [The Brothers' War Retro Artifacts] Fungus Dinosaur You can't choose the same

You can't choose the same card twice

Urza dug deep into Dominaria's ancient past

Set: Legends Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {R}{R}{G}{G} Flying

Set: World Championship Decks 2001 Type: Basic Land — Swamp Rarity: Common ({T}: Add {B}

which means that a house effectively functions as a worker being placed

Caged Sun (Retro) [The Brothers' War Retro Artifacts] Fungus Dinosaur You can't choose the sameSet: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {6} As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1 +1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.