Undercover Agent is a Riftbound card. Compare listings from Singapore Riftbound sellers on CardJio, then jio them on WhatsApp.
[Deathknell] — Discard 2, then draw 2. (When I die, get the effect.)
[绝念]—弃置两张手牌，然后抽两张牌。（当我被摧毁后，发动此效果。）