Lands you control have ": Add one mana of any color."
: Add one mana of any color.

Equipped creature has deathtouch.
Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.
Equip

: Add .
: Add or . This land deals 1 damage to you.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Flying
When this creature becomes the target of a spell or ability, sacrifice it.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Ward—Discard a card.
Whenever another nontoken Vampire you control dies, you may pay and exile it. If you do, create a 1/1 black Bat creature token with flying. It gains "When this token deals combat damage to a player, sacrifice it and return the exiled card to the battlefield tapped."

Defender (This creature can't attack.)

Demons you control have menace, lifelink, and haste.
Starscourge — At the beginning of combat on your turn, exile up to one target creature card from a graveyard. If you exiled a card this way, create a token that's a copy of that card, except it's a 5/5 black Demon.

Ward—Discard a card at random.
Void — Whenever Alpharael attacks, if a nonland permanent left the battlefield this turn or a spell was warped this turn, defending player loses half their life, rounded up.

Whenever another nontoken creature you control enters, investigate.
, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

This land enters tapped. As it enters, choose a color.
: Add one mana of the chosen color.
: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

This spell costs less to cast for each creature card in your graveyard.
Whenever a creature you control dies, put it on the bottom of its owner's library.
, , Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Reach, hexproof from blue
Whenever this creature is dealt damage, you gain 1 life and create a 1/1 green Saproling creature token.

Other Cats you control get +1/+1.
Whenever Arahbo or another nontoken Cat you control enters, create a 1/1 white Cat creature token.

Haste
At the beginning of your upkeep, exile the top card of your library. You may play it this turn.
At the beginning of each opponent's upkeep, the next time they would draw a card this turn, instead they exile the top card of their library. They may play it this turn.

Trample
When this creature enters, you may pay any number of times. When you pay this cost one or more times, put that many +1/+1 counters on this creature, then up to that many target lands you control become 3/3 Wolf creatures with haste that are still lands.

When this creature enters, sacrifice it unless you discard a land card.