Elder Entity Norden Reprinted with an Errata (UT01)
Text Errata
Before
1 Synchro or Xyz Monster + 1 Synchro or Xyz Monster
(1) When this card is Special Summoned: You can target 1 Level 4 or lower monster in your GY; Special Summon it, but its effects are negated, also banish it when this card leaves the field.
After
1 Synchro or Xyz Monster + 1 Synchro or Xyz Monster
You can only use the effect of this card's name once per turn.
(1) When this card is Special Summoned from the Extra Deck: You can target 1 Level 4 or lower monster in your GY; Special Summon it, but its effects are negated, also banish it when this card leaves the field.
Source: The Organization