13 cards where the name includes “cleansing”

Cleansing (The Dark #4)
Cleansing Beam (Commander Anthology #78)
Cleansing Meditation (Torment #3)
Cleansing Nova (Commander Masters #817)
Cleansing Ray (Rivals of Ixalan #4)
Cleansing Screech (Global Series Jiang Yanggu & Mu Yanling #37)
Cleansing Wildfire (Zendikar Rising #137)
Honden of Cleansing Fire (Eternal Masters #13)
Ironwright's Cleansing (Eldritch Moon #32)
Myojin of Cleansing Fire (Champions of Kamigawa #35)
Planar Cleansing (Core Set 2020 #33)
Seal of Cleansing (Murders at Karlov Manor Commander #80)
Temporal Cleansing (March of the Machine #80)

The message was clear to Sorin—time to search for something else.