9 cards where the text includes “playing for ante”

Amulet of Quoz (Ice Age #308)
Bronze Tablet (Fourth Edition #303)
Contract from Below (Summer Magic / Edgar #97)
Darkpact (Summer Magic / Edgar #100)
Demonic Attorney (Summer Magic / Edgar #103)
Jeweled Bird (Chronicles #102)
Rebirth (Fourth Edition #267)
Tempest Efreet (Fourth Edition #225)
Timmerian Fiends (Homelands #58)

This search is finished. Now the real work can begin.