Beast

Assembly-Worker

Alien Rhino

Angel

Bear

Demon

Angel // Demon

Assassin

Whenever this creature deals combat damage to a player, that player loses the game.

Alien

Agate Instigator

Whenever another creature you control enters, this creature deals 1 damage to each opponent.
(This token's mana cost is {1}{R}.)

Alien Insect

Alien Warrior

Angel of Sanctions

Flying
When Angel of Sanctions enters the battlefield, you may exile target nonland permanent an opponent controls until Angel of Sanctions leaves the battlefield.

Astartes Warrior

Alien Angel

First strike, vigilance
Whenever an opponent casts a creature spell, this permanent isn't a creature until end of turn.

Alien Salamander

Ballistic Boulder

Menace (This creature can't be blocked except by two or more creatures.)

Ally

Angel Warrior

Avatar

This creature's power and toughness are each equal to your life total.

Arco-Flagellant

Arco-Flagellant can't block.
Pay 3 life: Arco-Flagellant gains indestructible until end of turn.

Ashaya, the Awoken World

Balloon

Deathtouch
Whenever this creature deals damage to a planeswalker, destroy that planeswalker.

Avacyn

Angelo

Artifact Zombie

Adorned Pouncer

Angel // Angel

Badger

Anointer Priest

Whenever a creature token enters the battlefield under your control, you gain 1 life.

Aetherborn

Flying
{1}{B}, Sacrifice this creature: Return an exiled card named Sengir Nosferatu to the battlefield under its owner's control.

Aven Initiate

Aven Wind Guide

Flying, vigilance
Creature tokens you control have flying and vigilance.

Haste
Whenever this creature attacks, it deals 3 damage to each opponent.

Ajani's Pridemate

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.