Basic aim of this deck is just to summon big fusions boosted by power bond.
Main combo is: Cyber dragon core + Cyber dragon + Any spell:
Normal summon core. Search Cyberdark realm. Activate realm and search and then normal summon Cyberdark Chimera. Use Chimera effect to add powerbond. Now link Core and Chimera into Cyber dragon Sieger. Since Chimera's effect to turn any fusion into a pseudo powerbond, is active even if it leaves the field; activate power bond and fuse the Cyber dragon and Cyber dragon core into whatever fusion is best for what situation (most of the time it will be Rampage Dragon). If you fusion summon rampage dragon, you can destroy up to two spells and traps and also can send two cyber dragon monsters to the grave for additional attacks on that turn. If you do, send exactly Core and Herz to the grave so you can have follow up plays on the next turn; in case your 6300 atk fusion that can attack 3 times somehow doesn't otk.