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

Return all attacking creatures to their owner's hand.

Whenever Aetherplasm blocks a creature, you may return Aetherplasm to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.

Changeling (This card is every creature type.)

{T}: Target creature gains all creature types until end of turn.

{T}: Target creature loses all creature types until end of turn.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

When you cast this spell, you may return target creature card from your graveyard to the battlefield.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)

Flying

{2}{U}, {T}: Draw two cards, then discard a card.

Whenever Atemsis, All-Seeing deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

Flying

When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)

Whenever you discard a card, exile that card from your graveyard.

{2}, {T}: Draw a card, then discard a card.

{4}, {T}, Sacrifice Bag of Holding: Return all cards exiled with Bag of Holding to their owner's hand.

{T}: Add {C}.

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

Body of Knowledge's power and toughness are each equal to the number of cards in your hand.

You have no maximum hand size.

Whenever Body of Knowledge is dealt damage, draw that many cards.

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

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

Sacrifice Commander's Sphere: Draw a card.

Counter target spell.

Investigate three times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

When Confounding Conundrum enters the battlefield, draw a card.

Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand.

Roll a d20.

1--9 | Draw two cards.

10--19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

Tap two untapped creatures you control: You may put a creature card from your hand that shares a creature type with each creature tapped this way onto the battlefield.

Flying

You have no maximum hand size.

Whenever a creature token you control deals combat damage to a player, draw a card.

Enchant player

Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

For each opponent, choose up to one target creature that player controls, then return that creature to its owner's hand unless its controller has you draw a card.

Counter target instant or sorcery spell unless its controller pays {1}.

Draw a card.

Equipped creature has defender and "{2}, {T}: Other creatures you control gain trample and get +X/+X until end of turn, where X is this creature's power."

Equip {3}

Flash

Flying

When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell's mana value.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

{T}: Add {C}.

{2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

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

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Whenever one or more creatures you control deal combat damage to a player, draw a card.

Red creature spells you cast cost {1} less to cast.

Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

{T}: Add {C}{C}.

{2}, {T}, Sacrifice Hedron Archive: Draw two cards.

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

Whenever Illusory Ambusher is dealt damage, draw that many cards.

Whenever equipped creature becomes blocked by a creature, you may draw two cards.

Equip {1}

Kicker {2}{U}{U}

Choose one. If this spell was kicked, choose any number instead.

• Return up to two target creatures to their owners' hands.

• Scry 2, then draw two cards.

• Target player creates an X/X blue Illusion creature token, where X is the number of cards in their hand.

Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Ior Ruin Expedition.

Remove three quest counters from Ior Ruin Expedition and sacrifice it: Draw two cards.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

As Ixidron enters the battlefield, turn all other nontoken creatures face down. (They're 2/2 creatures.)

Ixidron's power and toughness are each equal to the number of face-down creatures on the battlefield.

Flying

When Jace's Mindseeker enters the battlefield, target opponent mills five cards. You may cast an instant or sorcery spell from among them without paying its mana cost.

Flying

Jace's Phantasm gets +4/+4 as long as an opponent has ten or more cards in their graveyard.

Whenever you draw a card, put a +1/+1 counter on Jace's Projection.

{3}{U}: Put a loyalty counter on target Jace planeswalker.

If you would draw a card while your library has no cards in it, you win the game instead.

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

{2}{U}, {T}: Draw a card. If you have nine or more cards in hand, flip Jushi Apprentice.

{3}{U}{U}, {T}: Target player draws X cards, where X is the number of cards in your hand.

At the beginning of each player's draw step, that player draws an additional card.

Flying

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

Shuffle a card from your hand into your library. If you do, draw two cards at the beginning of the next turn's upkeep.

Enchant permanent

You control enchanted permanent.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

Equipped creature gets +3/+0 and has trample and lifelink.

Equip {3}

Flying

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

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

Whenever you draw your second card each turn, create a 1/1 blue Illusion creature token with "This creature gets +1/+0 for each other Illusion you control."

Whenever an Illusion you control dies, you may put a permanent card with mana value less than or equal to that creature's power from your hand onto the battlefield.

Equipped creature gets +0/+2 and has hexproof and "Whenever a creature with deathtouch blocks or becomes blocked by this creature, destroy that creature."

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Creature spells you cast that share a creature type with Mistform Warchief cost {1} less to cast.

{T}: Mistform Warchief becomes the creature type of your choice until end of turn.

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

Scry 1.

Draw a card.

Draw two cards, then sacrifice a permanent.

Trample

When Phantasmal Dreadmaw becomes the target of a spell or ability, sacrifice it.

Until end of turn, up to two target creatures each have base power and toughness 3/3, gain flying, and become blue Illusions in addition to their other colors and types.

Draw a card.

Draw three cards.

Addendum -- If you cast this spell during your main phase, instead scry 3, then draw three cards.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand.

Whenever you draw a card, each opponent loses 1 life.

Draw three cards, then discard a card.

Whenever a creature you control deals combat damage to a player, you may draw a card.

Cycling {2} ({2}, Discard this card: Draw a card.)

{T}: Add {C}.

{1}{U}, {T}: Return target Wizard you control to its owner's hand.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{T}, Tap an untapped creature you control: Add one mana of any color.

Flying

Megamorph {1}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Stratus Dancer is turned face up, counter target instant or sorcery spell.

Discard all the cards in your hand, then draw that many cards.

Invoke Duplicity -- Equipped creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may sacrifice Trickster's Talisman. If you do, create a token that's a copy of this creature."

Equip {2}

{7}, {T}, Sacrifice Universal Solvent: Destroy target permanent.

You have no maximum hand size.

At the beginning of your upkeep, you gain 1 life for each card in your hand.

(Gain the next level as a sorcery to add its ability.)

You have no maximum hand size.

{2}{U}: Level 2

When this Class becomes level 2, draw two cards.

{4}{U}: Level 3

Whenever you draw a card, put a +1/+1 counter on target creature you control.

{T}: Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.

1--9 | Copy that card. You may cast the copy.

10--19 | Copy that card. You may cast the copy by paying {1} rather than paying its mana cost.

20 | Copy each card exiled with Wizard's Spellbook. You may cast any number of the copies without paying their mana costs.

Flying

As long as Wonder is in your graveyard and you control an Island, creatures you control have flying.