11 cards where the illustration contains “training-dummy”

Duelcraft Trainer (Innistrad: Double Feature #16)
Eager Cadet (Starter 1999 #15)
Golden-Tail Trainer (Modern Horizons 3 #187)
Jousting Dummy (Throne of Eldraine #224)
Parish-Blade Trainee (Innistrad: Crimson Vow #29)
Sparring Construct (Dominaria #232)
Training Center (Commander Legends #358)
Training Drone (Mirrodin Besieged #142)
Training Grounds (March of the Machine: The Aftermath #9)
Training Grounds (March of the Machine: The Aftermath #193)
Veteran Soldier (Commander Legends: Battle for Baldur's Gate #48)

In the blink of an eye, they strode from deep snow to the end of this search.