Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

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

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.) Artifacts and creatures your opponents control enter tapped.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Flying Each player can't cast more than one spell each turn. Nonbasic lands your opponents control enter tapped.

Players can't cast spells from graveyards or activate abilities of cards in graveyards. Whenever a creature dies, you gain 1 life.

Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio.

This creature can't block. Sacrifice a creature: Put a +1/+1 counter on this creature.

Each player can't cast more than one noncreature spell each turn.

Your opponents can't cast spells from anywhere other than their hands.

Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.

Each player can't cast more than one spell each turn.

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.

Each player can't draw more than one card each turn.

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

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

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

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

Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature of their choice. You add {B}{B} and draw a card.

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

This artifact enters tapped. {T}: Add one mana of any color that a basic land you control could produce.

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

Flash If an opponent would draw two or more cards, instead you and that player each draw a card.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Morph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) Whenever another nontoken creature you control dies, draw a card.

Lifelink Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card. Whenever an opponent casts their second spell each turn, draw a card.

Whenever a nontoken creature you control dies, this creature deals 1 damage to you and you draw a card.

Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.

Exile target nonland permanent. You lose 3 life.

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 all creatures. They can't be regenerated.

Destroy target artifact, enchantment, or planeswalker.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Choose one — • Destroy X target artifacts and/or enchantments. • Target player gains twice X life.

Put up to three target cards from an opponent's graveyard on top of their library in any order.

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.

Exile target monocolored permanent.

Destroy target permanent.

This creature gets -X/-X, where X is your life total.

Whenever another creature dies, you may gain 1 life.

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

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

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

{T}: Add {C}. {W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

({T}: Add {W}.)

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

({T}: Add {W} or {B}.)

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

{T}, Pay 1 life: Add {W} or {B}. {1}, {T}, Sacrifice this land: Draw a card.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {W} or {B}. Activate only if you control a Swamp.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {B}.