Edison format ruling
Toy Magician

Card effect (current official text)You can Set this card from your hand to your Spell & Trap Zone as a Spell. During the End Phase, if this Set card in your Spell & Trap Zone was destroyed by an opponent's card effect and sent to the GY this turn: Special Summon this card. If this card is Flip Summoned: Destroy Spells and Traps on the field, equal to the number of "Toy Magicians" on the field.
Rulings
- If you Set Toy Magician in your Spell and Trap Card Zone, you cannot activate (flip face-up) it. It remains in your Spell and Trap Card Zone until it is removed by another effect.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.