Spells with split second have to resolve before any other spells or activated abilities can be put on the stack you cant counter them but thats because you cant respond at all
The instant is two and deals 5 to an attacking or blocking dork
Joker's Knight X LIGHT Level 5 [ Warrior / Effect ] ATK 2000 DEF 1400 You can send 1 "Queen's Knight", "King's Knight", or "Jack's Knight" from your Deck to the GY
Normal Deck 8.3 37 [81380] JP030 Dark Ruler No More Normal Spell Negate the effects of all face-up monsters your opponent currently controls, until the end of this turn, also, for the rest of this turn after this card resolves, your opponent takes no damage
Company: Konami Brand: YuGiOh Series: Cybernetic Horizon Item Type: Single Card Release Date: July 27, 2018 UPC: 606583899088 Stock #: 313450 Our Guarantees to You, Our Valued Customer