Undergrowth Stadium [Commander Legends] Legendary Artifact and the whole thing starts

and the whole thing starts to fall apart

Set: The Dark Type: Land Uncommon Cost: {T}: Untap target attacking creature

Set: Revised Edition Type: Land — Island Mountain Rare Cost: ({T}: Add {U} or {R}

Whenever a creature enters the battlefield

Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less

Undergrowth Stadium [Commander Legends] Legendary Artifact and the whole thing startsSet: Commander Legends Type: Land Rare Cost: Undergrowth Stadium enters the battlefield tapped unless you have two or more opponents. {T}: Add {B} or {G}. To get to Valor's Reach, competitors must first make a name for themselves in the smaller arenas.