Enchant creature you control

When Chains of Custody enters the battlefield, exile target nonland permanent an opponent controls until Chains of Custody leaves the battlefield.

Enchanted creature has ward . (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Enchant creature

At the beginning of each upkeep, tap enchanted creature.

Enchant creature

Enchanted creature has "Cumulative upkeep ." (At the beginning of its controller's upkeep, that player puts an age counter on it, then sacrifices it unless they pay its upkeep cost for each age counter on it.)