For this topic I'm going to make a deck of dog cards, and a deck of cat cards.
I When I put the decks together I will use some real cards as well as Made up ones.

Cat Cards:

Name:Garfield, Cat of the Sun
Atrib:Light
Stars:****
ATK/1800
DEF/1200
Type:Beast
Effect:When this card is on the field; Increce the ATK of all cards on your side of the feild with the name, " Buddy, Cat of Fire" by 500.

Name:Buddy, Cat Of Fire
Atrib:Fire
Stars:****
ATK/1900
DEF/1100
Type:Beast
Info:The Cat of fire, and Garfield, and Snooze's dad.

Name:Snooze, Cat Of The Moon
Atrib:Dark
Stars:****
ATK/1700
DEF/1300
Type:Beast
Effect:When this card is on the field; Increce the ATK of all cards on your side of the field with the name, "Merlinda, Cat of Water" by 500.

Name:Merlinda, Cat of Water
Atrib:Water
Stars:****
ATK/1400
DEF/1600
Type:Beast
Info: The Cat of Water, and Garfield, and Snooze's mom.

Name:Bootsy, Cat of lightning
Atrib:Light
Stars:****
ATK/1500
DEF/1500
Info:The cat of Lightning, and a good rounder.

Name:Cat Cage
Spell
This card alows you to sumon 1 monster with "cat" in it's name to the field in defence mode.
You can not change the battle mode of the monster sumoned By this cards effect for 5 turns.

Name:Dog Chatcher #1
Atrib:Earth
Stars:***
ATK/1300
DEF/1200
Type:Warrior
Effect:When this card is sumoned; slect one monster on your oponets side of the field with "Dog" in it's name and destroy it and all cards in both players deck with the same name.

Name:Dog Chatcher #2
Atrib:Earth
Stars:***
DEF/1000
DEF/1000
Type:Warrior
Effect:When this card is sent to the graveyard; slect 1 card in your oponent's graveyard and remove it, and all other card with the same name from both players hand, Deck,graveyard, or on the field.

Name:Dog Chatcher #3
Atrib:Earth
Stars:****
ATK/1600
DEF/1500
Type:Warrior
Effect:When this card is sumoned; destroy all monsters on your oponents side of the field and remove them from play.


Dog cards:

Name:Heart, Dog of the Night
Atrib:Dark
Stars:****
ATK/1600
DEF/1400
Type:Beast
Effect:This card gains 200 ATK and DEF for each "Dark" type monster on the field.

Name:Sabine, Dog of the Day
Atrib:Light
Stars:****
ATK/1600
DEF/1400
Type:Beast
Effect:This card gains 200 ATK and DEF for each "Light" type Monster on the field.

Name:Sider, Dog of the Sunset
Atrib:????
Stars:******
ATK/2400
DEF/1500
Type:Beast/Fusion
Sabine, Dog Of The Day+Heart, Dog of the Night
Effect:When this card is sumoned,Remove 1 card in your hand with an atribute of "Light" or "Dark" from play, if the monster you removed from play had an atribute of dark; this monster's atribute is Dark, if so, destroy all monsters on the field with an atribute of Light.If the monster you removed from play had an atribute of Light; this monster's atribute is Light, if so, destroy all monsters on the field with an atribute of dark.

Name:Watronia,Dog of water
Atrib:Water
Stars:****
ATK/1200
DEF/1800
Type:Beast

More, Coming soon.........................