Tengu format ruling
Core Compression
Card effect (current official text)Reveal 1 "Iron Core of Koa'ki Meiru" in your hand and discard 1 "Koa'ki Meiru" monster to activate this card. Draw 2 cards.
Rulings
- Revealing "Iron Core of Koa’ki Meiru" and discarding 1 "Koa’ki Meiru" monster are both costs.
- If your hand is being revealed by the effect of "Respect Play" or "Ceremonial Bell" you cannot activate this card.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.