Draw three cards, then put two cards from your hand on top of your library in any order.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Scry 1. Draw a card.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.

You may look at the top card of your library any time. You may cast instant and sorcery spells from the top of your library. {3}: Exile the top card of your library.

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token. Tap seven untapped Merfolk you control: Counter target spell.

Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value. {3}{U}{U}, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.

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

Whenever you draw a card, each opponent mills two cards.

Devoid (This card has no color.) Counter target spell unless its controller pays {1}. You create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)

Raid — If you attacked this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell.

Counter target creature spell. Draw a card.

Counter target spell unless its controller pays {3}. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Counter target spell.

Counter target spell. Its controller mills four cards.

Counter target spell.

Counter target spell unless its controller pays {1} for each card in your graveyard. Cycling {2} ({2}, Discard this card: Draw a card.)

Counter target creature spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Counter target creature spell.

Counter target creature spell. Draw a card.

Counter target artifact spell. Draw a card.

Counter target noncreature spell.

Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Counter target spell with mana value X. (For example, if that spell's mana cost is {3}{U}{U}, X is 5.)

Counter target noncreature spell unless its controller pays {2}.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Choose one — • Counter target spell unless its controller pays {3}. • Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

{T}: Add {C}. {5}{U}, {T}, Sacrifice Blighted Cataract: Draw two cards.

({T}: Add {U}.)

Surveil 2, then choose an instant or sorcery card in your graveyard. You may cast it this turn. If that spell would be put into your graveyard, exile it instead. (To surveil 2, look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Counter target instant or sorcery spell that targets you. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may copy the spell countered this way. You may choose new targets for the copy.

Counter target spell unless its controller pays {1} for each card in your graveyard.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

You may cast Harbinger of the Tides as though it had flash if you pay {2} more to cast it. (You may cast it any time you could cast an instant.) When Harbinger of the Tides enters the battlefield, you may return target tapped creature an opponent controls to its owner's hand.

When Scourge of Fleets enters the battlefield, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Flying Whenever you cast a spell, return target permanent to its owner's hand.

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

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Creature spells cost {2} more to cast.

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

For each opponent, gain control of target permanent that player controls.

Gain control of target creature with mana value X.

Guile can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library.

Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.