Tengu format ruling
Sasuke Samurai #2

Card effect (current official text)Once per turn, during your Main Phase, you can pay 800 Life Points. If you do this, until the End Phase, Spell and Trap Cards cannot be activated.
Rulings
(1) Once per turn, during your Main Phase, you can pay 800 Life Points. If you do this, until the End Phase, Spell and Trap Cards cannot be activated.
- You can only activate Sasuke Samurai #2's effect during your Main Phase 1 or 2 because it's an Ignition Effect.
- You can only activate Sasuke Samurai #2's effect once per turn.
- The effect of Sasuke Samurai #2 stops in the End Phase, and after the effect ends, you can activate Trap Cards or Quick-Play Spell Cards during the remainder of the End Phase.
- While Sasuke Samurai #2's effect is active, you can't activate the effects of cards that activate in the GY like Black Pendant and Statue of the Wicked.
- You cannot activate the effects of Continuous cards like Skull Lair, Ultimate Offering, or Mass Driver while Sasuke Samurai #2's effect is active.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.