Nibiru, the Primal Being [RA01-EN015] Quarter Century Secret Rare Phyrexian Zombie Knight it isn't affected by the

it isn't affected by the effects of your opponent's Digimon

If Good Knight is on the battlefield at the end of the game

Set: Unknown Event Type: Artifact — Equipment Rarity: Common Cost: {1} Equipped creature gets +1/+1

then if its ATK has been reduced to 0 as a result

Nibiru, the Primal Being [RA01-EN015] Quarter Century Secret Rare Phyrexian Zombie Knight it isn't affected by theSet: Rarity Collection (25th Anniversary Edition) Card type: Effect Monster Rarity: Quarter Century Secret Rare Attack: 3000 Defense: 600 During the Main Phase, if your opponent Normal or Special Summoned 5 or more monsters this turn (Quick Effect): You can Tribute as many face up monsters on the field as possible, and if you do, Special Summon this card from your hand, then Special Summon 1 "Primal Being Token" (Rock LIGHT Level 11 ATK ? DEF ?) to