{T}: Add one mana of any color in your commander's color identity.

{1}, {T}: Add {W}{B}.

{T}: Add {C}. {T}: Add {W}. Spend this mana only to cast a creature spell. {1}{W}, {T}, Sacrifice this land: Look at the top six cards of your library. You may reveal a Bat, Bird, Mouse, or Rabbit card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

({T}: Add {W}.)

Exile target nonland permanent. You lose 3 life.

As an additional cost to cast this spell, discard a card or pay 3 life. Destroy target creature or planeswalker.

Destroy target creature or planeswalker. You gain 1 life for each of its colors.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy target artifact, enchantment, or planeswalker.

Destroy target creature or enchantment.

Sonar Strike deals 4 damage to target attacking, blocking, or tapped creature. You gain 3 life if you control a Bat.

Flying When this creature enters, each opponent loses 2 life and you gain 2 life.

Flying, deathtouch Whenever you gain life, this creature gets +1/+1 until end of turn.

Flying, deathtouch Whenever you gain or lose life during your turn, Bats you control get +1/+0 and gain deathtouch until end of turn. This ability triggers only once each turn.

Flying {1}{B}, Exile this creature: Create a 1/2 black Bat creature token with flying. It has "{1}{B}, Sacrifice this token: Return an exiled card named Sengir Nosferatu to the battlefield under its owner's control."

Flying, vigilance At the beginning of your end step, if you gained or lost life this turn, target opponent loses 3 life unless they sacrifice a nonland permanent of their choice or discard a card.

(Gain the next level as a sorcery to add its ability.) If you would gain life, you gain that much life plus 1 instead. {3}{W}: Level 2 Whenever you gain life, put a +1/+1 counter on target creature you control. {4}{W}: Level 3 When this Class becomes level 3, return target creature card from your graveyard to the battlefield. You gain life equal to that creature's toughness.

Each opponent loses two times X life. You gain life equal to the life lost this way.

Flying Whenever another creature you control enters, you gain 1 life.

Flying, lifelink At the beginning of your end step, if you descended this turn, scry 1. (You descended if a permanent card was put into your graveyard from anywhere.)

Whenever another creature enters, you gain 1 life.

Whenever another creature enters, you may gain 1 life.

When this enchantment enters, create a 1/1 black Bat creature token with flying for each mana from a Cave spent to cast it. Whenever a Cave you control enters, put a +1/+1 counter on target creature you control.

When this creature enters, if an opponent lost life this turn, create a 1/1 black Bat creature token with flying.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, create two 1/1 black Bat creature tokens with flying.

Whenever one or more creature cards leave your graveyard, create a 1/1 black Bat creature token with flying.

Flying At the beginning of each end step, if you gained life this turn, create a 1/1 black Bat creature token with flying.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) When this creature enters or dies, create a 1/1 black Bat creature token with flying.

Flying Haunt (When this creature dies, exile it haunting target creature.) When this creature enters or the creature it haunts dies, target player loses 2 life and you gain 2 life.

Flying When this creature enters, target player loses 2 life and you gain 2 life.

Flying If an opponent would lose life during your turn, they lose twice that much life instead. (Damage causes loss of life.)

Whenever this creature or another creature or planeswalker you control dies, each opponent loses 1 life and you gain 1 life.

Deathtouch Whenever another creature you control enters, you gain 1 life. Whenever another creature you control dies, each opponent loses 1 life.

Whenever you gain life, each opponent loses 1 life.

Flying Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever you gain life, target opponent loses that much life.

Menace Whenever this creature attacks, each opponent loses X life and you gain X life, where X is the number of other Squirrels, Bats, Lizards, and Rats you control.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Creatures you control gain flying, vigilance, and double strike until end of turn. • Creatures you control gain lifelink, indestructible, and protection from each color until end of turn.

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Commander creatures you own have "Whenever you cast a spell that shares a creature type with this creature, draw a card. This ability triggers only once each turn."

When this enchantment enters, you draw three cards, gain 6 life, and create three 2/1 black Bat creature tokens with flying. At the beginning of your end step, you discard a card, lose 2 life, and sacrifice a creature. When this enchantment leaves the battlefield, you discard three cards, lose 6 life, and sacrifice three creatures.

At the beginning of your end step, if you gained life this turn, each opponent loses 1 life. At the beginning of your end step, if you gained and lost life this turn, create a 1/1 black Bat creature token with flying. {1}{B}, Pay 2 life: Draw a card.

You draw two cards and you lose 2 life.

Target player draws two cards and loses 2 life.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

Flying At the beginning of your end step, if you gained or lost life this turn, look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

As an additional cost to cast this spell, sacrifice a creature that dealt damage this turn. Draw three cards. Each opponent loses 3 life and you gain 3 life.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice a creature: Add {C}{C}.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever you tap a Swamp for mana, add an additional {B}.

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

{T}: Add {C}. You gain 1 life.

{T}: Add {C}{C}.

{T}: Add {C}. {T}: Add {W} or {B}. This artifact deals 1 damage to you.

You have no maximum hand size. {T}: Add {C}.