Counter target spell.

Exile target permanent with mana value 4 or greater.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Counter target noncreature spell.

Exile target creature. Its controller gains life equal to its power.

This creature enters with three +1/+1 counters on it. Remove a +1/+1 counter from this creature: It deals 1 damage to any target.

Whenever you gain life, put a +1/+1 counter on this creature.

Whenever Qala attacks, other attacking creatures you control get +X/+0 until end of turn, where X is the number of counters on Qala. Whenever you gain life, put a +1/+1 counter on Qala. {3}{W}: You gain 1 life.

This land enters tapped. {T}: Add {W}, {U}, or {B}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

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

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

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

{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle. Cycling {W}{U}{B} ({W}{U}{B}, Discard this card: Draw a card.)

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

This land enters tapped unless you control two or more other lands. {T}: Add {W} or {U}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

{T}: Add one mana of any color that a land an opponent controls could produce.

This land enters tapped unless you control a Plains or an Island. {T}: Add {W} or {U}.

({T}: Add {U}.)

When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{B}.

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {W} or {B}.

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

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

Flying Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 white Vampire creature tokens with lifelink, where X is its power.

Whenever you gain life, put a +1/+1 counter on this creature.

Flying If you would gain life, you gain that much life plus 1 instead. This creature gets +2/+2 as long as you have 25 or more life.

Flying Whenever you gain life, put a +1/+1 counter on this creature.

(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 At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Vigilance (Attacking doesn't cause this creature to tap.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your upkeep, if you have 40 or more life, you win the game.

Flying If you would gain life, you gain that much life plus 1 instead. {1}{W}: This creature gains lifelink until end of turn.

First strike If you would gain life, you gain that much life plus 1 instead. {1}{W}: This creature gets +1/+1 until end of turn.

If this card is in your opening hand, you may begin the game with it on the battlefield. If you would gain life, you gain that much life plus 1 instead. As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2.

Whenever you draw a card, target opponent loses 1 life and you gain 1 life.

Serra Avatar's power and toughness are each equal to your life total. When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Soul of Eternity's power and toughness are each equal to your life total. Encore {7}{W}{W} ({7}{W}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever another creature enters, you gain 1 life.

Whenever another creature enters, you may gain 1 life.

Enchant creature Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."

Flying Whenever an opponent casts a spell, put a +1/+1 counter on this creature and you gain 1 life.

{T}, Sacrifice this artifact: You gain life equal to the total life lost by all players this turn. (Damage causes loss of life.)

Flying Whenever you gain life, each opponent loses 1 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.

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

Offspring {2}{B} (You may pay an additional {2}{B} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Flying This creature can't block. Whenever you gain life, each opponent loses 1 life.

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

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

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

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

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

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

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

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

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

Ward—Pay 3 life. Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Draw three cards, then put two cards from your hand on top of your library in any order.

At the beginning of your end step, draw a card if your life total is greater than your starting life total. Otherwise, you gain 2 life.

Whenever you gain life, you may pay {2}. If you do, draw a card. {3}{W}: Create a 1/1 white Soldier creature token with lifelink.

Flying Double strike (This creature deals both first-strike and regular combat damage.) Lifelink (Damage dealt by this creature also causes you to gain that much life.) Whenever you gain life, draw a card.

You gain 2 life, draw two cards, then discard two cards. Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Marina Vendrell's Grimoire enters, if you cast it, draw five cards. You have no maximum hand size and don't lose the game for having 0 or less life. Whenever you gain life, draw that many cards. Whenever you lose life, discard that many cards. Then if you have no cards in hand, you lose the game.

When this creature enters, surveil 2. Then for each card you put on top of your library, you draw a card and you lose 3 life. Descend 8 — Whenever you draw a card, if there are eight or more permanent cards in your graveyard, target opponent loses 1 life and you gain 1 life.

Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, return another target non-Bear creature card with mana value less than or equal to this creature's power from your graveyard to the battlefield.