Ret-time Reviver Emit-ter [ROTD-EN088] Super Rare BT3-097 if you control "Toon World":

if you control "Toon World": You can target 1 card on the field

and "Raviel

Rock monsters you control cannot be destroyed

Set: Duelist Pack: Battle City Card type: Toon/Effect Monster Rarity: Common Attack: 3000 Defense: 2500 Cannot be Normal Summoned/Set

When a monster is attached by this effect

Ret-time Reviver Emit-ter [ROTD-EN088] Super Rare BT3-097 if you control "Toon World":Set: Rise of the Duelist Card type: Tuner Effect Monster Rarity: Super Rare Attack: 800 Defense: 0 If this card is in your hand or GY: You can target 1 face up monster on each field; change them to face down Defense Position, and if you do, Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Ret time Reviver Emit ter" once per turn.