Selesnya Sanctuary [Commander 2020] HER007-P you must use the finest

you must use the finest materials to create the summer pavilion while carefully avoiding wasting supplies

target player may put Chakram Slinger into their hand from their library

Set: Pro Tour Collector Set Type: Artifact Rarity: Rare Cost: {1} At the beginning of your upkeep

Set: Dominaria Prerelease Promos Type: Legendary Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

The key did not work on a single lock

Selesnya Sanctuary [Commander 2020] HER007-P you must use the finestSet: Commander 2020 Type: Land Rarity: Common Selesnya Sanctuary enters the battlefield tapped. When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand. {T}: Add {G}{W}.