Makalaka, Hand of the Law

Makalaka Costs {1} Less to Cast for Each Detained Permanent Your Opponents Control and Can't be Countered.
Makalaka Gets +1/+1 for Each Detained Permanent Your Opponents Control.
Whenever You Detain a Permanent, Scry 3.
{2}{w/u}: Detain Target Nonland Permanent
Until Your Next Turn.