Obrin, Monk of Fael Peak

Partner with Tulah, of Purpose
Prowess
Whenever a spell or ability you control taps a
creature an opponent controls, you get an
experience counter.
Whenever a spell or ability you control detains a
creature an opponent controls, you get an
experience counter
{2}{w/u}, {t}: Detain up to two nonland
permanents you don't control