Khi Triệu hồi Fusioning Elder Entity Norden , những dung hợp nguyên liệu nào có thể được sử dụng?

WATER 4

1 Synchro or Xyz Monster + 1 Synchro or Xyz Monster When this card is Special Summoned: You can target 1 Level 4 or lower monster in your Graveyard; Special Summon it, but its effects are negated, also banish it when this card leaves the field.