Scar of the Vendread

If this card is sent to the GY: You can add 1 “Vendread” Spell/Trap from your Deck to your hand. If a monster(s) on the field is Tributed, while this card is in your GY (except during the Damage Step): You can banish 1 other Zombie monster from your GY; Special Summon this card, and if you do, while it is face-up in the Monster Zone, you cannot Special Summon monsters, except “Vendread” monsters. You can only use each effect of “Scar of the Vendread” once per turn.