Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

Deathtouch, lifelink At the beginning of your end step, choose one — • Feed — Target opponent loses life equal to the amount of life they lost this turn. • Friends — You gain life equal to the amount of life you gained this turn.

Creatures your opponents control enter tapped. Whenever a creature an opponent controls enters, you gain 1 life.

If you would gain life, you gain twice that much life instead.

At the beginning of your upkeep, this creature deals 1 damage to each opponent. You gain life equal to the damage dealt this way.

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.

As long as you've lost life this turn, this creature has flying and vigilance. Whenever you gain life, put a +1/+1 counter on this creature. When this creature dies, put its counters on target creature you control.

Whenever an opponent loses life, you gain that much 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.

At the beginning of your upkeep, you gain 1 life. {3}, Sacrifice this artifact: Draw a card.

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.

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

Lifelink (Damage dealt by this creature also causes you to gain that much life.) If you would gain life, you gain twice that much life instead.

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.

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.

Whenever another creature enters, you gain 1 life.

Whenever another creature you control enters, you may gain 1 life. Whenever a creature an opponent controls enters, you may have that player lose 1 life.

You have no maximum hand size. At the beginning of your upkeep, you gain 1 life for each card in your hand.

No more than two creatures can attack you each combat.

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

Flying Whenever you gain life, each opponent loses 1 life.

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

Whenever you gain life, target opponent loses that much life. When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

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.

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

{T}: Add {W}, {U}, or {B}.

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

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

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.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. If you cast a spell this way, pay life equal to its mana value rather than pay its mana cost. {T}, Sacrifice ten nonland permanents: Each opponent loses 10 life.

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.

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.

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.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

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

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {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.)

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

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

({T}: Add {U}.)

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

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

({T}: Add {W}.)

({T}: Add {W}, {U}, or {B}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

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

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

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

Counter target spell. You gain 3 life.

Exile target nonland permanent. You lose 3 life.

Counter target spell.

Counter target spell.

Death Grasp deals X damage to any target. You gain X life.

Choose one or more — • Exile all artifacts. • Exile all creatures. • Exile all enchantments. • Exile all graveyards.

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

Whenever you gain life, put two +1/+1 counters on Karlov. {W}{B}, Remove six +1/+1 counters from Karlov: Exile target creature.

Destroy target creature or enchantment.

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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

As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.

Destroy target permanent.