12 cards where the block is “chk” and the text includes “channel”

Arashi, the Sky Asunder (Saviors of Kamigawa #121)
Ghost-Lit Nourisher (Saviors of Kamigawa #131)
Ghost-Lit Raider (Saviors of Kamigawa #99)
Ghost-Lit Redeemer (Saviors of Kamigawa #10)
Ghost-Lit Stalker (Saviors of Kamigawa #69)
Ghost-Lit Warder (Saviors of Kamigawa #39)
Jiwari, the Earth Aflame (Saviors of Kamigawa #107)
Shinen of Fear's Chill (Saviors of Kamigawa #88)
Shinen of Flight's Wings (Saviors of Kamigawa #57)
Shinen of Fury's Fire (Saviors of Kamigawa #112)
Shinen of Life's Roar (Saviors of Kamigawa #149)
Shinen of Stars' Light (Saviors of Kamigawa #28)

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