9 cards where the text includes “escalate” and (the card is available on Paper)

Blessed Alliance (Eldritch Moon #13)
Borrowed Grace (Eldritch Moon #14)
Borrowed Hostility (Eldritch Moon #121)
Borrowed Malevolence (Eldritch Moon #82)
Collective Brutality (Eldritch Moon #85)
Collective Defiance (Eldritch Moon #123)
Collective Effort (Eldritch Moon #17)
Collective Resistance (Modern Horizons 3 #147)
Savage Alliance (Eldritch Moon #140)

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