Mozu, Bagen Labyrinth

Bagen Labyrinth enters the battlefield tapped.
{t} Add {w}{w} to your mana pool. Spend this mana only to cast Human spells.
{t} Exile target creature and return it to the battlefield under its controller's control.
Once the planeswalkers had found their Starovek, it came time for every Sunyan clique to choose a place to hide and protect it. Gideon and his disciples, the Bagen, chose the Labyrinth because only creatures with human intelligence could navigate through it.