Zeradias, Herald of Heaven [FOTB-EN018] Ultimate Rare BT7-066 all the other Synchro Material

all the other Synchro Material Monsters must be Fish-Type

except "Geargiano Mk-III"

You can only Special Summon "U

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Rare Attack: 2400 Defense: 1000 You can discard 1 card to change the ATK of 1 face-up monster to 2000 until the End Phase of this turn

and your candy sack

Zeradias, Herald of Heaven [FOTB-EN018] Ultimate Rare BT7-066 all the other Synchro MaterialSet: Force of the Breaker Card type: Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 800 You can discard this card to the Graveyard to add 1 "The Sanctuary in the Sky" from your Deck to your hand. If this card is on the field but "The Sanctuary in the Sky" is not on the field, destroy this card.