Sky Knight Archtype

|Sky Knight- Icarus|x|xxxx|Winged-Beast/Effect|WIND|4||1700|1200|When this card is Special Summoned by the effect of a "Sky Knight" monster, discard 1 Spell, or Trap card in your Hand and activate 1 of the following effects: -Draw 1 card. Destroy 1 card on the Field. -Send the top card of your Deck to the Graveyard. If it was a level-4 or lower "Sky Knight", or WIND monster, except "Sky Knight- Icarus" Special Summon it.|

|Sky Knight- Chronus|x|xxxx|Winged Beast/Effect|WIND|3||500|1100|Each time a Spell, or Trap card is discarded from your Hand, switch this card's ATK and DEF. Once per turn, reveal the top card of your Deck. If it's a "Sky Knight" monster, Special Summon it.|

|Sky Knight- Solarus|x|xxxx|Winged Beast/Effect|WIND|4||1500|1000|When this card battles a monster, discard 1 Spell, or Trap card in your Hand and increase this card's ATK by 300. If a "Sky Knight" monster is destroyed, tribute this card and Special Summon 1 "Sky Knight" monster from your Deck, or Graveyard.|

|Sky Knight- Elara|x|xxxx|Winged-Beast/Tuner/Effect|WIND|2||0|0|You can discard 1 Spell, or Trap card and 1 "Sky Knight" monster in your Hand to Special Summon this card from your Hand. If this card is used as Synchro Material for a "Sky Knight" monster, return this card and 1 Spell, or Trap card in your Graveyard to your Hand.|

|Sky Knight- Empyrean|x|xxxx|Winged-Beast/Synchro/Effect|6||2400|100|1 "Sky Knight" monster + 1 or more non-Tuner monsters. As long as this card remains face-up on the Field, all "Sky Knight" monsters gain 200 ATK. When this card is Summoned, discard up to 2 Spell or Trap cards in your Hand and destroy the same number of cards on the Field. When this card is removed from the Field, return 3 Spell or Trap cards in your Graveyard to your Deck.|

|Sky Knight Birthright|x|xxxx|Spell Card|Spell|||||When this card is discarded from your Hand, select 1 "Sky Knight" monster in your Graveyard. During your next Standby Phase, banish this card and Special Summon the selected monster.|

|Sky Knight Aurora|x|xxxx|Spell Card|Spell||Field|||You can only activate this card when it is discarded. All "Sky Knight" monsters on the Field gain 200 ATK. Each time a Spell, or Trap card is discarded, gain 300 Life Points. When this card is destroyed, return 2 Spell or Trap cards in your Graveyard to your Deck.|

|Sky Knight Escape|x|xxxx|Spell Card|Spell|||||You can activate this effect during both player's turn. While this card is in your Graveyard, you can banish this card to return 1 "Sky Knight" monster to your Hand. Special Summon it during the End Phase.|

|Sky Knight Pursuit|x|xxxx|Trap Card|Trap|||||You can activate this effect during both player's turn. While this card is in your Graveyard, you can banish this card to destroy 1 monster with 1500 or more ATK on the Field. All Level-4 or lower "Sky Knight" monster's cannot attack this turn.|

|Sky Knight Break|x|xxxx|Trap Card|Trap|||||You can activate this effect during both player's turn. While this card is in your Graveyard, you can banish this card to tribute 1 "Sky Knight" monster you control. Increase 1 "Sky Knight" monster's ATK by the tributed monster's Level x100.|

All of them seem legitimately okay, although I am not completely sure what their goal is besides Synchro Summoning.

Is the goal to Summon Empyrean?

Basically the goal is to get Empyrean, Icarus, and Aurora on the field and beat down from their.