When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.)
“Ingress without proper writ of extraplanar intent? Unacceptable!”
Near Mint - $0.10
Lightly Played - $0.10
Played - $0.10
Heavily Played - $0.10
Damaged - $0.10
Near Mint Non-English - $0.10
Lightly Played Non-English - $0.10
Played Non-English - $0.10
Heavily Played Non-English - $0.10
Damaged Non-English - $0.10
Foil Prices
Near Mint Foil - $0.10
Lightly Played Foil - $0.10
Played Foil - $0.10
Heavily Played Foil - $0.10
Damaged Foil - $0.10
Near Mint Foil Non-English - $0.10
Lightly Played Foil Non-English - $0.10
Played Foil Non-English - $0.10
Heavily Played Foil Non-English - $0.10
Damaged Foil Non-English - $0.10