Aegaion the Sea Castrum

10678778

2 Level 8 monsters

During either player's turn:
You can banish 1 random face-down monster from your opponent's Extra Deck, face-up, and if you do, this card's ATK becomes equal to the banished monster's.

During either player's turn:
You can detach 1 Xyz Material from this card, then target 1 of your opponent's banished Fusion, Synchro, or Xyz Monsters;
return it to the Extra Deck, and if you do, destroy 1 monster your opponent controls with the same monster card type (Fusion, Synchro, or Xyz).

You can only use each effect of "Aegaion the Sea Castrum" once per turn.

Inbound references

send from extra deck to gy (1)

special summon from gy (16)

+2-1

+2-1

+1

+1

+1

+1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+2-3

+1-2

special summon from gy face down (1)

+1-1

special summon from gy negated (2)

+1-1

+1-1

banish from hand (1)

+2-1

discard from hand as cost (2)

+2-2

+1-2

send from hand to gy (2)

+1-2

-2

banish from gy (6)

+1-1

-1

banish from gy as cost (3)

+1

destroy from field (59)

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-2

+1-2

+1-2

+1-2

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

-1

+1-3

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-2

-3

-3

-3

-3

-3

-3

destroy from field as cost (1)

-2

send from field to gy (4)

-1

-1

+1-3

-2

send from field to gy as cost (4)

+1-2

+1-2

-1

-2

tribute from field (5)

-1

-1

-1

-1

-1

tribute from field as cost (26)

+2-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

+1-2

+1-2

-1

-1

-1

-1

-1

-1

-1

-2

-2

-2

-2

-2

-2

-2

-2

banish from field (7)

+1-2

-1

-2

-2

-2

-2

-3

special summon from banished (4)

+1

+1

+1-1

+1-1

return from field to extra deck (6)

+1-1

+1-1

+1-1

+1-1

+1-1

+1-1

add from gy to extra deck (9)

+2-1

+1

+1

+1-1

+1-1

+1-1

+1-1

+1-1

-2

shuffle into the extra deck from gy (1)

return from banished to extra deck (2)

+1-1

+1-1

special summon from gy to opponent side field (1)

-1

special summon from gy to opponent side field face down (1)

-1

change battle position (4)

-1

change to attack position (3)

-1

change to defense position (1)

-1

change to face down defense position (5)

-1

-1

-1

-2

equip (39)

-1

-1

banish from extra deck face down as cost (1)

+1

accepts as fusion material (1)

flip face up (1)

+2-1

flip face up without activating flip effects (1)

-1

accepts as link material (5)

add from banished to extra deck (2)

+1

+1

Outbound references