Tengu format ruling
Reptilianne Medusa
Card effect (current official text)Send 1 card from your hand to the Graveyard and select 1 face-up monster your opponent controls. The ATK of the selected monster becomes 0, and it cannot change its battle position.
Rulings
- Sending 1 card from your hand to the GY is a cost.
- This is an Ignition Effect that targets 1 face-up monster your opponent controls.
- If an effect gives you control of the monster targeted by this effect, the monster's ATK will still become 0 and it will not be able to change its battle position.
- If the targeted monster is flipped face-down, this effect is not applied.
- You cannot target a monster with 0 ATK with this effect.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.