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Prevent the next X damage that would be dealt to target creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creature.

Flying, vigilance

{tap}↷: Add {colorless}C{colorless}C. Activate only if you control five or more lands.

{blue}U{blue}U{blue}U, {tap}↷: Return target permanent to its owner's hand.

{5 generic}5, {tap}↷: Shuffle your library, then reveal the top card. Until end of turn, for as long as that card remains on top of your library, play with the top card of your library revealed and you may play that card without paying its mana cost. (If it has X in its mana cost, X is 0.)

Whenever a creature or land becomes tapped, put an hourglass counter on it.

Each permanent with an hourglass counter on it doesn't untap during its controller's untap step.

At the beginning of each player's upkeep, remove all hourglass counters from permanents that player controls.

Return target permanent to its owner's hand.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flying; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

{tap}↷: Add {colorless}C.

{2 generic}2, {tap}↷, Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When this creature enters, you gain 4 life.

Flash

Threshold — As long as there are seven or more cards in your graveyard, this creature has "When this creature enters, creatures you control gain protection from black until end of turn."

{tap}↷: Add {colorless}C.

{2 generic}2, {tap}↷: You may put a basic land card from your hand onto the battlefield tapped.

At the beginning of your upkeep, if you have 50 or more life, you win the game.

{X}X: This enchantment becomes an X/X Wall creature with defender in addition to its other types until end of turn.

Flying

When you control no enchantments, sacrifice this creature.

Flying

This creature enters with three +1/+1 counters on it.

At the beginning of your upkeep, you may remove any number of +1/+1 counters from this creature. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This token can't be enchanted."

At the beginning of your upkeep, you may exile any number of tokens created with this creature. If you do, put that many +1/+1 counters on this creature.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Whenever this creature attacks and isn't blocked, you may sacrifice it. If you do, gain control of target creature. (This effect lasts indefinitely.)

Shadow (This creature can block or be blocked by only creatures with shadow.)

You may choose not to untap this creature during your untap step.

Whenever this creature deals damage to an opponent, tap target creature. That creature doesn't untap during its controller's untap step for as long as this creature remains tapped.

Discard a card: This creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

{tap}↷: Add {colorless}C.

{tap}↷: Add {white}W or {blue}U. This land doesn't untap during your next untap step.

Shadow (This creature can block or be blocked by only creatures with shadow.)

{blue}U: Put this creature on top of its owner's library.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Discard a card: Return this creature to its owner's hand.

Shadow (This creature can block or be blocked by only creatures with shadow.)

When this creature leaves the battlefield, draw a card.

Shadow (This creature can block or be blocked by only creatures with shadow.)

This land enters tapped.

{1 generic}1, {tap}↷: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return this land to its owner's hand at the beginning of the next cleanup step.

{5 generic}5, {tap}↷: Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

As this artifact enters, choose an opponent.

At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is 3 minus the number of cards in their hand.

Draw a card for each tapped creature target opponent controls.

Flying, protection from red

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever this creature deals damage to an opponent, draw a card.

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Enchant creature

When this Aura enters, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

At the beginning of your upkeep, sacrifice this Aura unless you pay {blue}U.

Flying

This creature enters with three +1/+1 counters on it.

{1 generic}1, Remove a +1/+1 counter from this creature: Create a 1/1 colorless Thopter artifact creature token with flying. Activate only as a sorcery.

{1 generic}1, Sacrifice another Thopter: Put a +1/+1 counter on this creature. Activate only as a sorcery.

Flying

{tap}↷: This creature deals 1 damage to any target.

Flying

Your maximum hand size is reduced by four.

Flying

Your maximum hand size is reduced by three.

Cumulative upkeep—Exile the top card of your library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When a player doesn't pay this enchantment's cumulative upkeep, that player exiles all cards from their library.

Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

Flying

Your maximum hand size is reduced by two.

Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.)

{tap}↷: Add {colorless}C{colorless}C{colorless}C.

{2 generic}2: Until end of turn, target nonartifact creature gets +1/+0 and becomes an artifact in addition to its other types.

{1 generic}1, {tap}↷, Exile this artifact: Target player shuffles their graveyard into their library.

As long as this creature is enchanted, it gets +2/+2 and has flying, first strike, and trample.

All permanents are colorless.

At the beginning of the end step, if you control no creatures, sacrifice this land.

{tap}↷: Add one mana of any color.

{5 generic}5, {tap}↷: Reveal the top three cards of your library. Target opponent chooses one of those cards. Put that card into your graveyard, then draw two cards.

At the beginning of your upkeep, you may add {colorless}C{colorless}C. This mana can't be spent to cast spells.

Echo {4 generic}4 (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

This creature attacks each combat if able.

Echo {4 generic}4 (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

You may choose not to untap this artifact during your untap step.

{2 generic}2, {tap}↷: All creatures get +2/+2 for as long as this artifact remains tapped.

Exile the top three cards of your library face down. You may look at those cards for as long as they remain exiled. Until your next turn, you may play those cards. At the beginning of your next upkeep, put any of those cards you didn't play into your graveyard.

Whenever a player casts a black spell, you may pay {1 generic}1. If you do, you gain 1 life.

At the beginning of your upkeep, if you have five or more cards in hand, this artifact deals 1 damage to target opponent or planeswalker.

Defender (This creature can't attack.)

Flying

{blue}U: This creature gets +1/+1 until end of turn.

Flying

{3 generic}3{blue}U: Tap all creatures with toughness 2 or less.

{3 generic}3{blue}U: All other creatures lose flying until end of turn.

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.

Counter target spell.

Echo {3 generic}3 (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Sacrifice this creature: It deals 1 damage to any target.

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.

You may tap or untap target creature.

Cumulative upkeep {2 generic}2 (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Pay 2 life or {2 generic}2: Counter target red or green spell. Any player may activate this ability.

When this creature enters, reveal the top four cards of your library. Put all Merfolk cards revealed this way into your hand and the rest on the bottom of your library in any order.

{3 generic}3{blue}U: This creature gains flying until end of turn.

This creature can't be blocked.