Tengu format ruling
Machina Fortress
Card effect (current official text)You can discard Machine monster(s) whose total Levels equal 8 or more, then Special Summon this card (from your hand or GY). If this card is destroyed by battle and sent to the GY: Target 1 card your opponent controls; destroy that target. Before resolving an opponent's monster effect that targets this face-up card, look at your opponent's hand and discard 1 card from their hand.
Rulings
- This card can discard itself as part of the cost for its Ⓢ.
- If the effect targeting this card resolves negated, the ② effect still applies.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.