I happen to find these BR, Secret Flags and SP cards in my Futurecard Buddyfight stash. Perhaps you are looking for some of them, check them out below.
Card Name: Fifth Omni Lord Dragon, Tenbu
Status: Near Mint, Played
Set: H-BT01/S001EN SP
Price: $20.00
Stock: 0
Card Name: Sun Fist, Sunshine Impact
Status: Near Mint, Played
Set: EB01/S001EN SP
Price: $10.00
Stock: 2
Card Name: Thunder Knights, Drum Bunker Dragon SP
Status: Near Mint, Played
Set: BT03/S002EN SP
Price: $11.00
Stock: 1
Card Name: Great Demonic End Dragon, Azi Dahaka BR
Status: Near Mint, Played
Set: D-BT03/S0112EN SP
Price: $10.00
Stock: 1
Card Name: Thunder Knights, Drum Bunker Dragon BR
Status: Near Mint, Played
Set: EB01/0048EN SP
Price: $10.00
Stock: 4
Card Name: Godly-speed Bal Dragon BR
Status: Near Mint, Played
Set: D-BT01A-EB01/0061EN BR
Price: $8.00
Stock: 3
Card Name: Bal Dragon, “Bal Saucer Over Rush!”
Status: Near Mint, Played
Set: D-BT03/S002EN BR
Price: $8.00
Stock: 1
Card Name: Hollowed Arms, Zodiac
Type: Monster
Size: 3
Status: Near Mint, Played
Set: D-BT02A-SS02/0026EN BR
Price: $8.00
Stock: 1
Card Name: Explosive Takedown, Rampage Sonic
Type: Monster
Size: 2
Status: Near Mint, Played
Set: H-BT01/S004EN SP
Price: $6.00
Stock: 4
Card Name: Fiery Inspector, Prominence Burst
Type: Monster
Size: 2
Status: Near Mint, Played
Set: H-EB02/S004EN SP
Price: $5.00
Stock: 2
Card Name: Rescue Dragon, Justice Drum
Type: Monster
Size: 2
Status: Near Mint, Played
Set: H-EB02/0068 BR
Price: $8.00
Stock: 1
Card Name: Judgement of the Cold-blooded King, Miserea
Type: Monster
Size: 3
Status: Near Mint, Played
Set: D-BT04/0113 BR
Price: $8.00
Stock: 5
Card Name: INV Seventh Omni Earth Lord, Twilight Court
Type: Monster
Size: 0
Status: Near Mint, Played
Set: H-PP01/0075EN BR
Price: $8.00
Stock: 1
Card Name: Evil Deity of Cataclysm, Hyakugan Yamigedo Sky and Earth Half
Type: Monster
Size: 3
Status: Near Mint, Played
Set: D-BT01/0130EN D-BT01/0131EN SECRET
Price: $10.00
Stock: 5
Feel free to send private message to my Facebook Page, LJGaming, if you want to purchase these cards or have some inquiries.