Supreme King Dragon Darkwurm (MZMI-EN057) - Maze of Millennia 1st Edition

Pendulum Effect
Once per turn, if you control no monsters: You can place 1 "Supreme King Gate" Pendulum Monster from your Deck in your Pendulum Zone, also you cannot Pendulum Summon monsters for the rest of this turn, except DARK monsters.
Monster Effect
If this card is Normal or Special Summoned: You can add 1 "Supreme King Gate" Pendulum Monster from your Deck to your hand. If this card is in your Graveyard and you control no monsters: You can Special Summon this card. You can only use each monster effect of "Supreme King Dragon Darkwurm" once per turn.