13 cards where the lore includes “xantcha” or the name includes “sleeper” and the name includes “agent”

Yawgmoth's Edict (USG)
Xantcha, Sleeper Agent (C18)
Xantcha (PVAN)
Victimize (C14)
Unnerve (CM2)
Sleeper Agent (10E)
Priest of Gix (DDE)
Planar Void (USG)
Oppression (USG)
Ill-Gotten Gains (CNS)
Healing Salve (USG)
Darkest Hour (USG)
Ajani, Sleeper Agent (DMU)

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