The Awesome Solar System Set (Legendary Planet Support)

[Premier Alexander Romanov]

Here's some cards Merciful Idiot and I came up with for a (mostly) secret roleplaying character.
Feel free to comment and make suggestions regarding OCG and additional cards.

Apollo, Dominating Aspect
DARK/Fiend/6/2000/2000
This monster cannot be Special Summoned except by Tributing an “Aspect” monster you control. This monster counts as 2 Tributes for the Tribute Summon of “The Supremacy Sun”. When this monster is Tributed for the Tribute Summon of “The Supremacy Sun”, it gains the following effect:
● This monster cannot be destroyed by your opponent’s card effects. Whenever this monster is Special Summoned, it gains 1000 ATK and DEF until your next Standby Phase.

Hermes, Dashing Aspect
WIND/Insect/4/1000/1500
This monster can count as 2 Tributes for the Tribute Summon of “The Tripping Mercury”. When this monster is Tributed for the Tribute Summon of “The Tripping Mercury”, it gains the following effect:
● This monster can attack all of your opponent’s monsters once each.

Aphrodite, Beautiful Aspect
LIGHT/Fairy/4/1600/1200
This monster counts as 2 Tributes for the Tribute Summon of "Splendid Venus". If this monster is used for the Tribute Summon of "Splendid Venus", that monster gains the following effect:
● Non-Fairy-Type monsters you control do not have their ATK and DEF points decreased by this card's effect.

Mother Earth
EARTH/Spellcaster/10/2500/2000
This monster can only be Special Summoned from your hand by Tributing an “Elemental Hero Terra Firma” you control. This monster is unaffected by the effects of your opponent’s Continuous Spell Cards, Continuous Trap Cards, and Field Spell Cards. Once per turn, you may Normal Summon or Set once more. When this monster inflicts Battle Damage to your opponent’s Life Points, increase your Life Points by the same amount.

Gaia, Nurturing Aspect
EARTH/Spellcaster/5/2000/1500
If your opponent controls a monster and you control no monsters, you can Normal Summon this card without Tributing. This monster counts as 2 Tributes for the Tribute Summon of "Mother Earth". If this monster is used for the Tribute Summon of "Mother Earth", that monster gains the following effect:
● You can Tribute 1 monster on your side of the field to have this card gain ATK equal to the Tributed monster’s ATK until the End Phase.

The Shimmering Moon
LIGHT/Psychic/3/900/400
This monster cannot be Special Summoned. Once per turn, if this monster is selected as an attack target, you may select 1 of your opponent’s monsters, and change the attack target to that monster. Double any Battle Damage this card’s owner receives from a battle involving this card.

Ares, Burning Aspect
FIRE/Dragon/3/1300/1100
When this monster is removed from play from your Graveyard to Special Summon “The Blazing Mars”, you may Special Summon “Flame of War Tokens” (Warrior-Type/FIRE/Level 1/ATK 0/DEF 0) onto your side of the field equal to the number of monsters on your opponent’s side of the field. When a “Flame of War Token” is Tributed, inflict 500 points of damage to your opponent’s Life Points.

The Ominous Phobos
FIRE/Dinosaur/4/2100/0
When this monster attacks, send a Monster Card from your Deck to your Graveyard. The monster sent by this card’s effect cannot be Special Summoned.

The Creeping Deimos
FIRE/Pyro/3/600/200
When this monster is removed from play from your Graveyard by a card effect you control, inflict 500 points of damage to your opponent’s Life Points. During your Draw Phase, instead of drawing a card, you may Special Summon this removed from play card instead.

The Lonely Ceres
EARTH/Plant/5/1100/1700
Once per turn, if this monster is in Attack Position, you may Normal Summon or Set once more.

Zeus, Magnificent Aspect
DARK/Warrior/4/1700/1200
This monster counts as 2 Tributes for the Tribute Summon of "The Grand Jupiter". If this monster is used for the Tribute Summon of "The Grand Jupiter", that monster gains the following effect:
● When this monster destroys a monster as a result of battle and sends it to the Graveyard, draw 1 card.

The Angry Io
FIRE/Beast/4/2200/100
This monster must attack if able. If this monster’s ATK and/or DEF is increased, decreased or made a specific value, destroy it.

The Solemn Europa
WATER/Aqua/1/0/0
If this monster is the only face-up monster on your side of the field, it cannot be destroyed as a result of battle, and you take no Battle Damage from a battle involving this card.

The Handsome Ganymede
WIND/Thunder/2/1000/800
Once per turn, during either player’s turn, if your opponent Special Summons a monster, you may Special Summon a Level 4 or lower monster from your hand.

The Feral Callisto
EARTH/Beast-Warrior/3/1500/1100
When this monster destroys a monster as a result of battle, you may change the battle position of a face-up monster on your opponent’s side of the field.

Cronos, Giant Aspect
DARK/Machine/4/1300/700
This monster counts as 2 Tributes for the Tribute Summon of "The Big Saturn". If this monster is used for the Tribute Summon of "The Big Saturn", that monster gains the following effect:
● When this monster is destroyed, this card’s controller does not take any damage from this card’s effect.

The Smashing Titan
WIND/Winged Beast/4/2300/1000
This monster cannot be Normal Summoned or Set. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.

Caelus, Doomed Aspect
WIND/Rock/4/900/300
This monster counts as 2 Tributes for the Tribute Summon of "The Despair Uranus". If this monster is used for the Tribute Summon of "The Despair Uranus", that monster gains the following effect:
● Once per turn, you may select 1 Trap Card in your Graveyard and add it to your hand.

Poseideon, Royal Aspect
WATER/Reptile/5/2000/0
If you control a face-up Level 8 or higher monster, you may Special Summon this monster from your hand. When this monster is Tributed for the Tribute Summon of "The Tyrant Neptune", that monster gains the following effect:
● Increase the ATK and DEF of this monster by 500 for each monster Tributed for the Tribute Summon of this card.

The Serving Miranda
WATER/Fish/1/1000/0
Once per turn, you may pick up cards from the top of your Deck to your Graveyard until you pick up a Monster Card. For each Spell or Trap Card picked up, Special Summon a “Moonfish Token” (Fish-Type/WATER/Level 1/1000/0). A “Moonfish Token” can only be Tributed for the Tribute Summon of a Level 8 or higher monster. Send all Spell and Trap Cards picked up by this card’s effect to the Graveyard and shuffle the Monster Card into your Deck.

Hades, Manipulating Aspect
DARK/Zombie/4/1500/900
This monster counts as 2 Tributes for the Tribute Summon of "The Suppression Pluto". If this monster is used for the Tribute Summon of "The Suppression Pluto", that monster gains the following effect:
● Once per turn, you may look at 1 card in your opponent's hand at random. If so, this monster cannot declare an attack this turn.

The Distortion Charon
DARK/Sea-Serpent/3/1300/600
As long as this monster is on your side of the field, whenever a monster changes owners, inflict 700 points of damage to your opponent’s Life Points.

The Great Solar System
Field/Spell
During a player's Main Phase, the turn player may activate this card's effect. For each Level 8 or higher Effect Monster in the turn player's hand, they may Normal Summon or Set 1 additional time. The turn player can only activate this effect if he/she has already Normal Summoned or Set during the turn they activate this effect. As long as this card is on the field, the effect of "Macro Cosmos" is optional.

Orbital Wobble
Spell/Normal
Activate only if you control a Level 8 or higher Effect Monster and "The Great Solar System" is on the field. Destroy 1 card on the field, then draw 1 card.

Gravitational Pull
Trap/Normal
Activate only if a Level 8 or higher Effect Monster is removed from your side of the field and "The Great Solar System" is on the field. Special Summon the monster used to Tribute Summon or Special Summon the Level 8 or higher Effect Monster.

Theia Genesis
Spell/Quick-Play
Reveal 1 Level 8 or higher Effect Monster in your hand. Add 1 "The Great Solar System" to your hand from your Deck or Graveyard, then draw 1 card.

Heliocentricity
Trap/Continuous
As long as this card is face-up on the field, "The Great Solar System" cannot be removed from the field by card effects, and only the controller of this card can activate the effect of "The Great Solar System".

Orbital Slingshot
Spell/Normal
Activate only if you control a Level 8 or higher Effect Monster and "The Great Solar System" is on the field. Select 1 monster on your side of the field. The selected monster can attack your opponent's Life Points directly during the turn this card was activated.

Celestial Alignment
Trap/Continuous
Whenever the controller of this card activate the effect of "Grand Convergence", his/her monsters are not destroyed. During your Standby Phase, if you control a Level 8 or higher Effect Monster and "The Great Solar System" is on the field, you may add a "Grand Convergence" to your hand from your Deck or Graveyard.

Oort Cloud
Spell/Continuous
This card can only be activated if you control "The Great Solar System". As long as this card is face-up on your side of the field, Level 8 or higher Effect Monsters require 1 less Tribute to Tribute Summon. If "The Great Solar System" would be destroyed by a card effect, you may destroy this card instead.

Electromagnetic Wind
Trap/Counter
Activate only if "The Great Solar System" is on the field. Negate the activation of a Spell, Trap, or Monster Card effect controlled by your opponent and remove it from play. Then, draw 1 card.

Infinite Nothing
Spell/Normal
Draw 1 card for each Level 8 or higher Effect Monster you control.

[Bringerofcake]

Hopeless Solar System?

That's definitely a feasible decktype.