Base Attack: 2500
Base Defense: 2000

Ability: During either player's turn, when a card or effect is activated that would destroy a card(s) on the field: You can Tribute this card; negate the activation, and if you do, destroy it. During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your Graveyard.

tl;dr:She is able to negate up to one attack she chooses to use her ability on, but in exchange, she debuffs her strength for a short amount of time.

Base Attack: 3300
Base Defense: 2500

Ability: Once per turn: You can excavate the top 5 cards of your Deck, shuffle them back in, also this card's maximum number of attacks per Battle Phase this turn equals the number of Tuner monsters excavated. Once per turn, during either player's turn, when a card or effect is activated that would destroy a card(s) on the field: You can negate the effect, and if you do, destroy it. Once per turn, when an opponent's monster declares an attack: You can target the attacking monster; banish this card, and if you do, negate that attack. During the next End Phase: Special Summon this card banished by this effect.

tl;dr:She is able to use her negation technique up to 5 times now, however, and reflects the damage back towards her attacker. However, she is immobilized for a short time after using her ability 5 times.

Base Attack: 4000
Base Defense: 4000

Ability: 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.

tl;dr: Once she makes it to this form, her negations are limitless but instead of reflecting the damage, she can absorb the power into her and unleash it in a msssive attack. Once she uses this power, she reverts back to her Stardust dragon form.

Base Attack: 3000
Base Defense: 2500

Ability: This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except with its own effect or with "Assault Mode Activate". You can Tribute this card to negate the activation of a Spell Card, Trap Card, or Effect Monster's effect, and destroy that card. If you negate an effect this way, you can Special Summon this card from your Graveyard during the End Phase. When this card on the field is destroyed, you can Special Summon 1 "Stardust Dragon" from your Graveyard.

tl;dr:A form she cannot go into by herself. It's weaknesses and strength are still unknown but it is said that instead of negating damage to herself, she can seal her opponents abilities for short bursts of time when she lands a hit.

Base Attack: 2500
Base Defense: 2000

Ability: Cannot be Normal Summoned or Set. Must be Special Summoned (from your hand) by banishing 1 "Stardust Dragon" from your Extra Deck and cannot be Special Summoned by other ways. There can only be 1 face-up "Malefic" monster on the field. Face-up Field Spell Cards cannot be destroyed by effects. Other monsters you control cannot declare an attack. If there is no face-up Field Spell Card on the field, destroy this card.

tl;dr:Saiyaka from another timeline. Her abilities are also widely unknown, but it is said that she is able to keep her enemies from ever attacking her directly with sheer power alone.

Base Attack: 3800
Base Defense: 3000

Ability: "Majestic Dragon" + "Stardust Dragon"
During either player's turn, when your opponent activates a card or effect: You can Tribute this card; negate the activation, and if you do, destroy all cards your opponent controls. Once per turn: You can target 1 face-up monster your opponent controls; negate its effects until the end of this turn, and you can activate 1 of its effects as this card's effect once this turn. During the End Phase: Target 1 "Stardust Dragon" in your Graveyard; return this card from the field to the Extra Deck, then Special Summon that target.

tl;dr:A Fusion of Star and her friend Marly(The Majestic dragon) and is used as a last resort. She's able to unleash every perk she gets from all o=her other forms into one big attack. Unfortunately, if she misses or her attack doesn't finish the opponent off, then she reverts back to her human form.