Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Target player shuffles their graveyard into their library. Prevent all combat damage that would be dealt this turn.

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Choose one — • Prevent all combat damage that would be dealt this turn. • Regenerate target creature. • Counter target spell that targets you.

Prevent all combat damage that would be dealt to players this turn.

Prevent all damage that would be dealt by creatures this turn.

Prevent all combat damage that would be dealt this turn.

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn by creatures with power 3 or less.

Prevent all damage target spell would deal this turn. You gain life equal to the damage prevented this way.

Prevent all combat damage that would be dealt this turn.

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle. Prevent all combat damage that would be dealt this turn.

Target player skips their next combat phase this turn.

Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If you control a commander, you may cast this spell without paying its mana cost. Prevent all damage that would be dealt this turn by creatures your opponents control.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Prevent all combat damage that would be dealt this turn.

Prevent all damage that sources of the color of your choice would deal this turn. Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all combat damage that would be dealt this turn. You gain 1 life for each attacking creature.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Prevent all damage that would be dealt to you and creatures you control this turn.

Your opponents can't cast spells this turn.

Tap all blocking creatures. Prevent all combat damage that would be dealt this turn. Each attacking creature and each blocking creature doesn't untap during its controller's next untap step.

You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you control this turn.

Prevent all combat damage that would be dealt this turn. Each attacking creature doesn't untap during its controller's next untap step.

Prevent all combat damage that would be dealt by creatures other than target creature this turn.

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

Prevent all combat damage that would be dealt to attacking creatures you control.

Each player skips their untap step. At the beginning of each player's upkeep, that player simultaneously untaps each tapped artifact, creature, and land they control and taps each untapped artifact, creature, and land they control.

Dark Depths enters with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

{T}: Add {C}. {T}: This land deals 1 damage to target attacking creature. Activate only during the end of combat step.

{T}: Add {W}. {W}, {T}: Prevent the next 2 damage that would be dealt to target legendary creature this turn.

({T}: Add {G}.)

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

({T}: Add {U}.)

{T}: Add {C}. {1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

({T}: Add {W}.)

When this land enters, you gain 2 life. {T}: Add {C}.

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

This land enters tapped. When this land enters, target creature you control gains protection from the color of your choice until end of turn. {T}: Add {W}.

Flying When this creature enters, you become the monarch. As long as you're the monarch, damage doesn't cause you to lose life. (When a creature deals combat damage to you, its controller still becomes the monarch.)

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever this creature deals combat damage to a player, that player skips their next combat phase.

When this creature enters, you become the monarch. At the beginning of combat on each opponent's turn, if you're the monarch, that opponent may pay {X}, where X is the number of cards in their hand. If they don't, they can't attack you this combat.

{G}, {T}, Discard a card: Prevent all combat damage that would be dealt this turn.

Defender (This creature can't attack.) Flying Prevent all combat damage that would be dealt to and dealt by this creature.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

When this creature enters, create two 1/1 white Soldier creature tokens. {W}, Sacrifice a Soldier: Prevent all combat damage that would be dealt this turn.

Flying Activated abilities of creatures your opponents control can't be activated.

Vigilance Lieutenant — At the beginning of combat on your turn, if you control your commander, prevent all combat damage that would be dealt to creatures you control this turn. Other creatures you control gain vigilance until end of turn.

When this creature enters, you become the monarch. When this creature enters, exile target creature an opponent controls until an opponent becomes the monarch.

Flying You can't lose the game and your opponents can't win the game.

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

Trample When this creature enters, you become the monarch. Whenever you tap a land for mana while you're the monarch, add an additional one mana of any color.

Flash When this creature enters, prevent all damage that would be dealt to you this turn. Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature.

At the beginning of your upkeep, put a spore counter on this creature. Remove three spore counters from this creature: Prevent all combat damage that would be dealt this turn.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

Artifact, instant, and sorcery spells your opponents cast cost {1} more to cast. −1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

+1: Put two +1/+1 counters on up to one target creature you control. 0: Until end of turn, Oko becomes a copy of target creature you control. Prevent all damage that would be dealt to him this turn. −7: Until end of turn, each creature you control has base power and toughness 10/10 and gains trample.

Enchant creature Enchanted creature has defender. Prevent all combat damage that would be dealt by enchanted creature. Coven — {2}{W}, Sacrifice this Aura: Exile enchanted creature. Activate only if you control three or more creatures with different powers.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, choose up to one other target enchantment or artifact. If you're the monarch, you may create a token that's a copy of it. If you're not the monarch, you may have this enchantment become a copy of it, except it has this ability.

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

Prevent all damage that would be dealt to you by sources you don't control. When a card is put into your graveyard from anywhere, sacrifice this enchantment.

Enchant creature Prevent all combat damage that would be dealt to and dealt by enchanted creature.

At the beginning of your upkeep, sacrifice this enchantment unless you discard a card. Skip your draw step. You have shroud. (You can't be the target of spells or abilities.) Prevent all damage that would be dealt to you.

Activated abilities of artifacts can't be activated.

Flash Enchant creature Enchanted creature has shadow. (It can block or be blocked by only creatures with shadow.) Prevent all damage that would be dealt by enchanted creature.