Ruin Rat

Deathtouch
When Ruin Rat dies, exile target card from an opponent’s graveyard.

Nimble Obstructionist

Flash
Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Nimble Obstructionist, counter target activated or triggered ability you don’t control.

Nimble Obstructionist

Flash
Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Nimble Obstructionist, counter target activated or triggered ability you don’t control.

Harsh Mentor

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn’t a mana ability, Harsh Mentor deals 2 damage to that player.

Harvest Season

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, and put those cards onto the battlefield tapped. Then shuffle your library.

Harsh Mentor

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn’t a mana ability, Harsh Mentor deals 2 damage to that player.

Binding Mummy

Whenever another Zombie enters the battlefield under your control, you may tap target artifact or creature.

Harvest Season

Search your library for up to X basic land cards, where X is the number of tapped creatures you control, and put those cards onto the battlefield tapped. Then shuffle your library.

Scrounging Bandar

Scrounging Bandar enters the battlefield with two +1/+1 counters on it.
At the beginning of your upkeep, you may move any number of +1/+1 counters from Scrounging Bandar onto another target creature.

Wind-Kin Raiders

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you’re done activating mana abilities pays for .)
Flying

Hungry Lynx

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.