Vigilance (Attacking doesn't cause this creature to tap.)

Menace (This creature can't be blocked except by two or more creatures.) When this creature enters, create a 1/1 black Rat creature token with "This token can't block."

Other Cats you control get +1/+1 and have protection from Dogs. Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

When this creature enters, draw a card.

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.) At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch. Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

Vigilance When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

Other Dogs you control get +1/+1. Whenever this creature attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

When this creature enters, put a +1/+1 counter on target creature you control. Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

When this creature enters, destroy target artifact or enchantment an opponent controls.

Defender {1}, Sacrifice this creature: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Sacrifice this creature: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)