Hi,
This is a control deck, through negation of targeting effects. The main boss monster is Dark cavalry. He negates any targeting on either your or your opponents field, by discarding a card (multiple tiimes per turn) and does piercing battle damage to monsters in defense position. The Main goal is to get him onto field as fast as possible. It is possible to fusion summon him without polymerisation, through monster effects, which is good as it will keep a card in your hand for negation.
If you're not getting Dark cavalry out, you're stopping your opponent from achieving their combo through backrow cards such as traps, which can be changed out for traps / spells of your choice or for hand traps as suggested in the side deck.
Through magicalized fusion and necro fusion, you can use your graveyard to further fusion summon.
Thant's pretty much it. Negate any targeting. Pierce your opponent to death.
Still working out best version of deck, so any comments or feedback welcomed. woop.