ForbiddenThe Tyrant Neptune
Effect Monster
Card text
Cannot be Special Summoned. You can Tribute Summon this card by Tributing 1 monster. This card gains the total original ATK and DEF of the monster(s) Tributed for its Tribute Summon. When this card is Tribute Summoned: Target 1 Effect Monster in the Graveyard that was Tributed for the Tribute Summon; this card's name becomes that target's name, and this card gains that target's effects.
- Attribute
- WATER
- Type
- Reptile
- Level
- 10
- ATK
- 0
- DEF
- 0
Explained
Can't be Special Summoned. Tribute Summon it with just 1 Tribute. It gains the original ATK and DEF of what you Tributed, and when Tribute Summoned it can copy the name and effects of an Effect Monster it Tributed.
It can't be used in Advanced Format. It's Forbidden in the TCG.
- Trying to Special Summon it. It can't be.
How it works
Status: Forbidden in the TCG (Sept 21, 2026 list), so it can’t be used in Advanced Format.
It can’t be Special Summoned. You can Tribute Summon it by Tributing 1 monster.
- Continuous: Gains the total original ATK and DEF of the monsters Tributed for its Tribute Summon.
- When Tribute Summoned: Target 1 Effect Monster in the GY that was Tributed for that Tribute Summon; this card’s name becomes that monster’s name, and it gains that monster’s effects.
Rulings in plain English
1-Tribute summon: Not an effect. You can use it to Normal Summon face-up or to Set face-down. You can Tribute a face-down monster for it.
Copy effect: A Trigger Effect. It targets an Effect Monster Tributed for this card’s own Tribute Summon, in either player’s GY. It doesn’t keep targeting it after it resolves.