As an additional cost to cast this spell, sacrifice a blue permanent. Counter target spell.

Draw two cards. If you control no artifacts, discard a card.

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.) Choose one or both — • Counter target spell. • Draw two cards, then discard a card.

Counter target creature or planeswalker spell. Venture into the dungeon. (Enter the first room or advance to the next room.)

Draw two cards, then look at the top card of each player's library.

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Draw two cards, then discard two cards. Untap up to three lands.

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.) Draw two cards.

Draw X cards. For each card drawn this way, discard a card unless you sacrifice a permanent.

Counter target creature spell. Create a 2/2 blue Illusion creature token.

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

{1}, Sacrifice a permanent: You gain 1 life.

{1}{U}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

{1}{U}, Sacrifice this artifact: Draw two cards. Channel — {U}, Discard this card: Draw a card.

Flying Whenever this creature enters or attacks, draw two cards, then discard a card. Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard.

Changeling (This card is every creature type.) As this creature enters, choose a creature type. Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

Flying Protection from red (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything red.) Sacrifice this creature: Counter target spell that targets you.

Flying Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature dies, if it had no time counters on it, create two tokens that are copies of it.

Flash Flying When this creature enters, counter target spell. Put X +1/+1 counters on this creature, where X is that spell's mana value.

{U}, Sacrifice a creature: Discard a card, then draw a card.

Landfall — Whenever a land you control enters, target player mills three cards.

Defender, flying

Flying When this creature becomes the target of a spell or ability, sacrifice it.

Flash (You may cast this spell any time you could cast an instant.) Whenever this creature is dealt damage, draw that many cards.

Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven.

Flying Krovikan Mist's power and toughness are each equal to the number of Illusions on the battlefield.

When this creature becomes the target of a spell, sacrifice it. Embalm {3}{U} ({3}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Illusion Warrior with no mana cost. Embalm only as a sorcery.)

Illusion creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Flying {1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

When this creature enters, create two 0/2 blue Illusion creature tokens with "Whenever this token blocks a creature, that creature doesn't untap during its controller's next untap step." This creature has hexproof as long as you control an Illusion.

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Flying Whenever you draw a card, put a +1/+1 counter on this creature.

Flash Flying Exploit (When this creature enters, you may sacrifice a creature.) When this creature exploits a creature, counter target spell, activated ability, or triggered ability.

Defender When this creature becomes the target of a spell or ability, sacrifice it.

When this creature becomes the target of a spell or ability, sacrifice it.

Flying When this creature becomes the target of a spell or ability, sacrifice it.

Trample When this creature becomes the target of a spell or ability, sacrifice it.

You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

Flash When this creature enters, exile another target creature you control until this creature leaves the battlefield. Whenever this creature attacks, create a tapped and attacking token that's a copy of the exiled card, except it's an Illusion in addition to its other types. Sacrifice that token at end of combat.

Flying When this creature enters, return target permanent to its owner's hand. Suspend 3—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

{2}{U}{U}, Sacrifice this creature: Choose a creature type. Reveal cards from the top of your library until you reveal a creature card of that type. Put that card onto the battlefield and shuffle the rest into your library.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Flying Sacrifice this creature: Counter target spell unless its controller pays {3}.

Flying (This creature can't be blocked except by creatures with flying or reach.) Sacrifice this creature: Counter target spell unless its controller pays {1}.

Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn.

+2: Draw two cards, then put a card from your hand on the bottom of your library. −2: Create a blue Dog Illusion creature token with "This token's power and toughness are each equal to twice the number of cards in your hand." −10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

Whenever a player casts a creature spell, that player sacrifices a permanent of their choice unless they pay {1}.

Nonbasic lands don't untap during their controllers' untap steps.

Each creature your opponents control is an Illusion in addition to its other types and has "When this creature becomes the target of a spell or ability, sacrifice it."

{1}{U}, Sacrifice this enchantment: Draw two cards.

Landfall — Whenever a land you control enters, you may put a quest counter on this enchantment. Remove three quest counters from this enchantment and sacrifice it: Draw two cards.

Cumulative upkeep {1} (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.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control.

When an opponent casts a spell, if this permanent is an enchantment, it becomes an Illusion creature with power and toughness each equal to that spell's mana value.

This spell costs {1} less to cast if you control two or more legendary creatures. Scry 2, then draw two cards.