Best Possible Cards for Side Deck.

Hello everyone,
This topic is about Side Decks. We all know that Side Decks play a Key part in this game but I feel that many of us struggle making a Side Deck. Every time we get confused with what cards should we Keep in our side deck and what cards should we kick out. So I am making this topic to help you guys with this Confusion.
First of all I am going through some cards which are Good for Side Decks.
Monster:
Thunder King Rai-Oh
Tiger King Wanghu
D.D. Crow
Ally Salvo
Electric Virus

Spell:
Prohibition
Zombie World

Trap:
Debunk
Malevolent Catastrophe
Light/Shadow Imprisoning Mirror
Mistake
Gozen Match
Rivalry of Warlords
Imperial Iron Wall.

Now lets see how many types of deck are there and you may face in future and if we have Counter cards for them in our list or not:

1. Dragon Rulers (Hieratic / Blue Eyes):
- Imperial Iron Wall
- Debunk
- Gozen Match
- Electric Virus
- Mistake/Thunder King (To stop them adding cards to hand)

2. Prophecy:
- Imperial Iron Wall
- Debunk
- Zombie World

3. Fire Fist:
- Zombie World
- Malevolent Catastrophe
- Mistake

4. Evilswarm:
- Rivalry of Warlords
- Shadow Imprisoning Mirror
- Electric Virus (Ophion is Dragon)
- Prohibition (If you feel Pandemic is a threat)

5. Constellar:
- Rivalry of Warlords
- Light Imprisoning Mirror
- D.D. Crow (for banishing Kaus or Target of Sombre)
- Ally Salvo

6. Mermail:
- Debunk
- Rivalry of Warlords
- D.D. Crow (To banish Gundes' Target)

7. Karakuri Geargia:
- Tiger King Wanghu
- Mistake
- Zombie World

8. Dark World:
- Debunk
- Shadow Imprisoning Mirror
- Zombie World

9. Chronomaly:
- D.D. Crow
- Debunk
- Ally Salvo
- Thunder King Rai-Oh

10. LightsworN:
- Prohibition (Prohibit JD)
- Light Imprisoning Mirror
- Thunder King Rai-Oh

Well, Guess my Cards cover almost every possible deck out there. Frog Monarch, Six Samurai, Bujin and many more. So next time you are going to make a Side deck, I guess this List should help you.

Good Luck.

The topic is really helpful but you forgot the xyz encore
XYZ encore:]
Chronomaly
Evilswarm
Dragon Rulers
Fire Fist
Constellar

System Down:
GeargiaKuri who?

ok,lets talk about side deck,side deck can Divided to two type,general side deck and side deck which build depend by your deck type.general side is a profesional side deck,which consist most of the card can counter most of the deck, this type side deck can solve most of the situation of you but weakness is it will also affect you own strategy some times.a side deck build depend by you is put some card for protect your deck weaknesses and some card which can support by your main deck and can use to against another situation.