Lubell Artok, the Chain Conductor

If there is a card(s) in any player’s Spell & Trap Zone: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can target 1 monster on the field; place it face-up in its controller’s Spell & Trap Zone as a Continuous Spell. If this card is sent to the GY: You can place 1 "Lubell" card from your GY in your Spell & Trap Zone as a Continuous Spell. You can only use each effect of "Lubell Artok, the Chain Conductor" once per turn.