Sunken Palace enters the battlefield tapped.
![Tap t](/images/productsymbols/t_icon.gif)
: Add
![Blue u](/images/productsymbols/u_icon.gif)
.
![1 1](/images/productsymbols/1_icon.gif)
![Blue u](/images/productsymbols/u_icon.gif)
,
![Tap t](/images/productsymbols/t_icon.gif)
, Exile seven cards from your graveyard: Add
![Blue u](/images/productsymbols/u_icon.gif)
. When you spend this mana to cast a spell or activate an ability, copy that spell or ability. You may choose new targets for the copy.
(Mana abilities can't be copied.)