Bone Skewer - Unleashed (139/219)

[HIDDEN] (Hide now for 1 Rune to react with later for 0.)
Choose a battlefield. An opponent reveals their hand. You may choose a unit from it. They play that unit to that battlefield, ignoring any and all costs. When they do, [STUN] it. (It doesn't deal combat damage this turn.)

Ships sleeved and toploaded.