Top 10 Hardest to Summon Monsters in Yu-Gi-Oh!

#10. Shooting Quasar Dragon

- Card Type : Monster

- Attribute : LIGHT

- Types : Dragon / Synchro / Effect

- Level : 12 Stars * * * * * * * * * * * *

- ATK / DEF : 4000 / 4000

- Card Text : 1 Tuner Synchro Monster + 2 or more non-Tuner Synchro Monsters

Must be Synchro Summoned, and cannot be Special Summoned by other ways. This card's maximum number of attacks per Battle Phase equals the number of non-Tuner monsters used as its Synchro Material. Once per turn, during either player's turn, when a card or effect is activated: You can negate the activation, and if you do, destroy it. When this card leaves the field: You can Special Summon 1 "Shooting Star Dragon" from your Extra Deck.

#9. Gate Guardian

- Card Type : Monster

- Attribute : DARK

- Types : Warrior / Effect

- Level : 11 Stars * * * * * * * * * * *

- ATK / DEF : 3750 / 3400

- Card Text : Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by Tributing 1 "Sanga of the Thunder", "Kazejin", and "Suijin".

#8. Spirit of the Pharaoh

- Card Type : Monster

- Attribute : LIGHT

- Types : Zombie / Effect

- Level : 6 Stars * * * * * *

- ATK / DEF : 2500 / 2000

- Card Text : This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by the effect of "The First Sarcophagus". When this card is Special Summoned, you can Special Summon up to 4 Level 2 or lower Zombie-Type Normal Monsters from your Graveyard.

#7. Vennominaga the Deity of Poisonous Snakes

- Card Type : Monster

- Attribute : DARK

- Types : Reptile / Effect

- Level : 10 Stars * * * * * * * * * *

- ATK / DEF : 0 / 0

- Card Text : Cannot be Normal Summoned or Set. Must first be Special Summoned with "Rise of the Snake Deity" and cannot be Special Summoned by other ways except by its own effect. This card gains 500 ATK for each Reptile-Type monster in your Graveyard. This card cannot be targeted by, and is unaffected by, Spell/Trap effects and other Effect Monsters' effects. When this card is destroyed by battle and sent to the Graveyard: You can banish 1 other Reptile-Type monster from your Graveyard; Special Summon this card. When this card inflicts Battle Damage to your opponent: Place 1 Hyper-Venom Counter on it. When 3 Hyper-Venom Counters are on this card, you win the Duel.

#6. Theinen the Great Sphinx

- Card Type : Monster

- Attribute : LIGHT

- Types : Beast / Effect

- Level : 10 Stars * * * * * * * * * *

- ATK / DEF : 3500 / 3000

- Card Text : This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by paying 500 Life Points when both "Andro Sphinx" and "Sphinx Teleia" on your side of the field are destroyed at the same time; then you can Special Summon this monster from your hand or Deck. When this card is Special Summoned, by paying 500 Life Points, increase the ATK of this card by 3000 points until the end of the End Phase.

#5. Exodia Necross

- Card Type : Monster

- Attribute : DARK

- Types : Spellcaster / Effect

- Level : 4 Stars * * * *

- ATK / DEF : 1800 / 0

- Card Text : Cannot be Normal Summoned/Set. Must be Special Summoned with "Contract with Exodia", and cannot be Special Summoned by other ways. Cannot be destroyed by battle or Spell/Trap effect. Once per turn, during your Standby Phase: This card gains 500 ATK. Destroy this card unless all 5 of these cards are in your Graveyard - "Exodia the Forbidden One", "Right Arm of the Forbidden One", "Left Arm of the Forbidden One", "Right Leg of the Forbidden One" and "Left Leg of the Forbidden One".

#4. Sophia, Goddess of Rebirth

- Card Type : Monster

- Attribute : DARK

- Types : Fairy / Effect

- Level : 11 Stars * * * * * * * * * * *

- ATK / DEF : 3600 / 3400

- Card Text : Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 face-up Ritual, Fusion, Synchro, and Xyz Monster from anywhere on the field, and cannot be Special Summoned by other ways. This card's Special Summon cannot be negated. When this card is Special Summoned: Banish all other cards from both players' hands, fields, and Graveyards. Cards and effects cannot be activated in response to this effect's activation.

#3. Armed Dragon Catapult Cannon

- Card Type : Monster

- Attribute : LIGHT

- Types : Machine / Fusion / Effect

- Level : 10 Stars * * * * * * * * * *

- ATK / DEF : 3500 / 3000

- Card Text : "VWXYZ-Dragon Catapult Cannon" + "Armed Dragon LV7"

Must first be Special Summoned (from your Extra Deck) during a Duel you Special Summoned both the above cards, by banishing the above cards from your field and/or GY. (You do not use "Polymerization".) Your opponent cannot activate cards or effects with the same name as any banished card. Once per turn, during your opponent's turn (Quick Effect): You can banish 1 card from your Deck or Extra Deck, face-up; banish all cards your opponent controls and in their GY.

#2. Zushin the Sleeping Giant

- Card Type : Monster

- Attribute : EARTH

- Types : Warrior / Effect

- Level : 10 Stars * * * * * * * * * *

- ATK / DEF : 0 / 0

- Card Text : Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by Tributing a monster you control with 10 Zushin Counters, and cannot be Special Summoned by other ways. Once per turn: You can reveal this card in your hand, then target 1 Level 1 Normal Monster you control (keep this card revealed until the end of this turn); place 1 Zushin Counter on it. Unaffected by other cards' effects. If this card battles a monster, during damage calculation: ATK and DEF of this card become equal to the current ATK of the monster it is battling +1000, during that damage calculation only.

#1. Dark Sage

- Card Type : Monster

- Attribute : DARK

- Types : Spellcaster / Effect

- Level : 9 Stars * * * * * * * * *

- ATK / DEF : 2800 / 3200

- Card Text : Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand or Deck) by Tributing 1 "Dark Magician" immediately after applying the effect of "Time Wizard" in which you called the coin toss right. When Special Summoned this way: Add 1 Spell Card from your Deck to your hand.