Mind Stone

Lifelink (Damage dealt by this creature also causes you to gain that much life.) As long as you have 30 or more life, this creature gets +5/+5 and has flying.

Whenever another creature enters, you gain 1 life.

Knight creatures you control have double strike.

Reveal cards from the top of your library until you reveal a nonland card, then put all cards revealed this way into your hand.

Choose a creature type. Draw a card for each permanent you control of that type.

1B, T, Discard a card: Create a 2/2 black Zombie creature token. Tap three untapped Zombies you control: You draw a card and you lose 1 life.

Flying Whenever this creature deals damage to an opponent, that player discards a card at random.

At the beginning of your upkeep, you draw a card and you lose 1 life.