Pack Rat's power and toughness are each equal to the number of Rats you control.
, Discard a card: Create a token that's a copy of Pack Rat.

As Meddling Mage enters, choose a nonland card name.
Spells with the chosen name can't be cast.

Whenever an opponent discards a creature card, create a 2/2 black Zombie creature token.
Whenever an opponent discards a land card, add .
Whenever an opponent discards a noncreature, nonland card, draw a card.

First strike
Noncreature spells cost more to cast.

Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.

Destroy target nonland permanent and all other permanents with the same name as that permanent.

Knight of the Reliquary gets +1/+1 for each land card in your graveyard.
, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle.

When Ranger of Eos enters, you may search your library for up to two creature cards with mana value 1 or less, reveal them, put them into your hand, then shuffle.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever you cast an enchantment spell, create a 4/4 white Angel creature token with flying.