Turfmarker

Hold (Whenever it would untap, the last player to cast or target this permanent may choose that it does not untap instead.)
Whenever Turfmarker doesn't untap, detain target creature.(Until your next turn, it can't attack or block and its activated abilities can't be activated.)
Whenever Turfmarker untaps, it gets +2/+0 and trample until end of turn.