Return Gossamer Chains to its owner's hand: Prevent all combat damage that would be dealt by target unblocked creature this turn.

, : Choose a permanent you control. Prevent all combat damage target creature would deal this turn if it shares a color with that permanent.

Prevent the next X damage that would be dealt to any target this turn. Until end of turn, you may pay any time you could cast an instant. If you do, prevent the next 1 damage that would be dealt to that permanent or player this turn.

Flying

If a source an opponent controls would deal damage to you, prevent 1 of that damage.

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 by attacking creatures.

Flash (You may cast this spell any time you could cast an instant.)

When Haze Frog enters, prevent all combat damage that other creatures would deal this turn.

You and target opponent play Seven Questions with the top card of that player's library. If you win, prevent all damage that would be dealt this turn by a source of your choice. (To play Seven Questions, that player looks at the card, then you ask up to six yes-or-no questions about the card that they answer truthfully. You guess the card's name—that's question seven—then the player reveals the card.)

Equipped creature gets +0/+2 and has ": Prevent the next 1 damage that would be dealt to any target this turn."

: Attach Healer's Headdress to target creature you control.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Choose one —

• Target player gains 3 life.

• Prevent the next 3 damage that would be dealt to any target this turn.

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)

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

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-4

1/4

If a source would deal damage to you or a creature you control, prevent 1 of that damage.

LEVEL 5+

2/5

If a source would deal damage to you or a creature you control, prevent 2 of that damage.

Put a card from your hand on top of your library: Prevent all damage that would be dealt by target instant or sorcery spell this turn.

Prevent the next 7 damage that would be dealt to any target this turn.

The next time a source of your choice would deal damage to any target this turn, prevent that damage. If damage from a red source is prevented this way, Honorable Passage deals that much damage to the source's controller.

Haste

If a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.

When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.

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

Whenever Ignoble Soldier becomes blocked, prevent all combat damage that would be dealt by it this turn.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Prevent all damage that would be dealt to target creature this turn.

Prevent all combat damage that would be dealt to you this turn. For each 1 damage prevented this way, create a 2/1 white and black Inkling creature token with flying.

Prevent all damage target attacking or blocking creature would deal this turn. If that creature is black or red, destroy it.

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

Enchant creature

Prevent all damage that would be dealt to enchanted creature.

Indestructible

As long as your devotion to red and white is less than seven, Iroas isn't a creature.

Creatures you control have menace.

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

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose one —

• All creatures get -2/-0 until end of turn.

• Tap target creature.

• Prevent the next 1 damage that would be dealt to any target this turn.

When Jared Carthalion, True Heir enters, target opponent becomes the monarch. You can't become the monarch this turn.

If damage would be dealt to Jared Carthalion while you're the monarch, prevent that damage and put that many +1/+1 counters on it.

Flying

Remove a ki counter from Kaiso, Memory of Loyalty: Prevent all damage that would be dealt to target creature this turn.

: Prevent the next 2 damage that would be dealt to target creature this turn.

+1: Until your next turn, prevent all damage that would be dealt to and dealt by target permanent an opponent controls.

−1: Draw a card. You may play an additional land this turn.

−5: You get an emblem with "At the beginning of your end step, create a 9/9 blue Kraken creature token."

Enchant creature

Enchanted creature can't be blocked by creatures with power 3 or greater.

Sacrifice Kithkin Armor: The next time a source of your choice would deal damage to enchanted creature this turn, prevent that damage.

: Prevent the next 3 damage that would be dealt to target creature this turn. Activate only if you have more cards in hand than each opponent.

: Prevent the next 1 damage that would be dealt to each creature and each player this turn.

When Knight-Captain of Eos enters, create two 1/1 white Soldier creature tokens.

, Sacrifice a Soldier: Prevent all combat damage that would be dealt this turn.

, : Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is its mana value.

, : Prevent all combat damage that would be dealt by target creature this turn.

Target creature gains flying until end of turn. Prevent all damage that would be dealt to that creature this turn.

If Leyline of Punishment is in your opening hand, you may begin the game with it on the battlefield.

Players can't gain life.

Damage can't be prevented.

Lightning Surge deals 4 damage to any target.

Threshold — If seven or more cards are in your graveyard, instead Lightning Surge deals 6 damage to that permanent or player and the damage can't be prevented.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever Loafing Giant attacks or blocks, mill a card. If a land card was milled this way, prevent all combat damage Loafing Giant would deal this turn.

: Prevent the next 2 damage that would be dealt to any target this turn.

Prevent all combat damage that would be dealt this turn.

Cycling (, Discard this card: Draw a card.)

All Sliver creatures have absorb 1. (If a source would deal damage to a Sliver, prevent 1 of that damage.)

Magma Pummeler enters with X +1/+1 counters on it.

If damage would be dealt to Magma Pummeler while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it. When one or more counters are removed from Magma Pummeler this way, it deals that much damage to any target.

All Walls able to block Marble Priest do so.

Prevent all combat damage that would be dealt to Marble Priest by Walls.

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Tap an untapped Cleric you control: Prevent the next 2 damage that would be dealt to any target this turn.

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

Prevent the next 4 damage that would be dealt to any target this turn.