The main objective of the deck is to bring out Ultimate Falcon, Hope Harbinger, and have a rank 4 on field.
The most consistent combo I have found can always bring out Ultimate Falcon, Revolution Falcon and Borrelsword. If possible, try to avoid using *both* Necro Vultures as material because one is needed later in the combo.
It starts with any 3 summons using whatever monsters (only one PK if you drew into multiple.)
Use 2 to summon Wise Strix and special summon Mimcry, Zephyr or Raider's Wing, depending on what your hand and initial 3 summons look like.
Next, use 2 monsters to summon a Force Strix. Use an overlay unit to search for Raider's Wing, Singing Lanius or Pain Lanius. Detaching the overlay unit lets you put Mimicry in the GY if you used it to summon Force Strix. Because an XYZ monster used it's ability you can add a Rank-Up card to hand.
Add Skip Force or Phantom Knight's Force.
Now use Mimicry to add another monster to hand and use another 2 monsters to summon Raider's Knight. Use an overlay unit to rank it up into Brave Strix. Detaching a unit from Brave lets you add a rank up magic from your deck to hand.
By this point you want to have Rise Rank up and Phantom Knight's Force OR Skip force, as Rise RAnk up lets you summon Rise Reb Falcon on your opponents turn, and PK Force or Skip Force is needed to rank up Brave into Arsenal Falcon.
*IF* you have another 2 lvl 4's you can summon another Force Strix and use its ability to search for Necro Vulture.
Now you can use Skip Force or PK's Force on Brave Strix to rank up into Arsenal Falcon. If you have Necro Vulture in hand, use Arsenal's effect to summon Vanishing Lanius from the deck, letting you special summon Necro vulture from hand, otherwise, use the ability to summon Necro Vulture from deck.
Use Necro Vultures effect on Arsenal to pop it and get Skip Force Or PK's Force back. Having Arsenal in the GY allows you to summon any Raidraptor XYZ monster, so you can use it to summon Ultimate Falcon.
If you used Skip Force instead of PK's Force, it can be used to rank up a Force Strix into Revolution Falcon as it's not a once per turn like . If you have Soul Shave in hand, you can use Revolution Falcon as a link material for Borrelsword or Bardiche to get it in the GY and then use Soul Shave to summon it back and rank it up into Hope Harbinger.
Bardice is a Combo Piece you want to end on. If you did not use Revo Falcon as a material, i would use necro vulture for him, and then send silent boots to the GY to add one of Fog Blade, or Claw to your field, then banishing silent boots from the yard to then add the other to hand and playing that. This gives you a monster negate, and an on field monster negate.