Su-Chi Cave Guard

Artifact Creature — Construct • Mana cost: {8} • The Brothers' War • Uncommon

Vigilance
Ward {4} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {4}.)
When this creature dies, add eight {C}. Until end of turn, you don't lose this mana as steps and phases end.

Illustrated by Dmitry Burmak.