Invader of Darkness [IOC-111] Secret Rare Zombie You can only use this

You can only use this effect of "Mekk-Knight Purple Nightfall" once per turn

If your opponent controls more monsters than you do

inflict damage to your opponent equal to that monster’s original ATK

then target 1 Rank 4 or lower Xyz Monster you control

Special Summon 1 Dinosaur-Type monster from your Deck whose Level is less than or equal to the number of counters that were on this card

Invader of Darkness [IOC-111] Secret Rare Zombie You can only use thisSet: Invasion of Chaos Card type: Effect Monster Rarity: Secret Rare Attack: 2900 Defense: 2500 As long as this card remains face up on the field, your opponent cannot activate Quick Play Spell Cards.