You can Tribute 1 Level 4 or lower Cyberse monster; Special Summon any number of Cyberse Normal Monsters from your Deck and/or GY whose total Levels equal the Tributed monster's Level on the field, but banish them during the End Phase. You can only use this effect of "Prompthorn" once per turn.
NM-Mint Unlimited - $0.10
Lightly Played Unlimited - $0.10
Moderately Played Unlimited - $0.10
Heavily Played Unlimited - $0.10
Damaged Unlimited - $0.10
NM-Mint Unlimited Non English - $0.10
Lightly Played Unlimited Non English - $0.10
Moderately Played Unlimited Non English - $0.10
Heavily Played Unlimited Non English - $0.10
Damaged Unlimited Non English - $0.10
NM-Mint 1st Edition - $0.20
Lightly Played 1st Edition - $0.20
Moderately Played 1st Edition - $0.20
Heavily Played 1st Edition - $0.10
Damaged 1st Edition - $0.10
NM-Mint 1st Edition Non English - $0.20
Lightly Played 1st Edition Non English - $0.20
Moderately Played 1st Edition Non English - $0.20
Heavily Played 1st Edition Non English - $0.10
Damaged 1st Edition Non English - $0.10