Gateway Plaza enters the battlefield tapped. When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.
The Chamber of the Guildpact stands as a reminder that even the bitterest struggles can end in cooperation.
![Gateway Plaza [Mystery Booster]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/94be3406-f87a-50e9-ae86-f340990b8a66.jpg?v=1768424737&width=1445)