|Thunder King Rai-Oh (Thunder-Type/LIGHT/Level 4/ATK 1900/DEF 800)|
Neither player can add cards from their Deck to their hand except by drawing them. You can send this face-up card to the Graveyard to negate the Special Summon of 1 of your opponent monsters, and destroy it.
Thunder King Rai-Oh CAN negate Special Summons that DO NOT start a Chain.
Thunder King Rai-Oh CANNOT negate Special Summons that DO start a Chain.
Formula Synchron, given the right circumstances, can fall into either category.
|Formula Synchron (Machine-Type/LIGHT/Level 2/ATK 200/DEF 1500)|
1 Tuner + 1 non-Tuner Monster
Remember players, the game ends with you.