At the beginning of your precombat main phase, choose one or more — • Sell Contraband — Create a Treasure token. You lose 1 life. • Buy Information — Draw a card. You lose 2 life. • Hire a Mercenary — Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

Search your library for a card, put that card into your hand, then shuffle.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.

As Kindred Discovery enters the battlefield, choose a creature type. Whenever a creature you control of the chosen type enters the battlefield or attacks, draw a card.

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}.

Changeling (This card is every creature type.) As Realmwalker enters the battlefield, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

Return target creature to its owner's hand. You may have Shapeshifters you control become copies of that creature until end of turn.

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Changeling (This card is every creature type.) Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

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.")

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

Changeling (This card is every creature type.) When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

({T}: Add {B} or {R}.)

({T}: Add {B} or {G}.)

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Whenever City of Brass becomes tapped, it deals 1 damage to you. {T}: Add one mana of any color.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

{T}: Add {G} for each creature you control.

({T}: Add {U}.)

{T}, Pay 1 life: Add one mana of any color.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {R} or {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}: Add one mana of any type that a land you control could produce.

({T}: Add {G} or {W}.)

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

({T}: Add {W} or {B}.)

({T}: Add {B}.)

({T}: Add {R} or {G}.)

{T}: Add {C}. {T}: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

The World Tree enters the battlefield tapped. {T}: Add {G}. As long as you control six or more lands, lands you control have "{T}: Add one mana of any color." {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

({T}: Add {G} or {U}.)

({T}: Add {W} or {U}.)

({T}: Add {U} or {B}.)

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

({T}: Add {U} or {R}.)

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

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

{T}: For each color among permanents you control, add one mana of that color.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

All Slivers have "{T}: Add one mana of any color."

{T}: Add X mana of any one color, where X is the number of Allies you control.

Protection from Werewolves Human creatures you control have "{T}: Add one mana of any of this creature's colors." {4}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you. {T}: Add {C}{C}.

Sliver creatures you control have "{T}: Add one mana of any color."

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

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.

As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Changeling (This card is every creature type.) Flying

Changeling (This card is every creature type.) Changeling Outcast can't block and can't be blocked.

Sliver creatures you control have flying and haste.

Choose one — • Destroy all Dragon creatures. • Destroy all non-Dragon creatures.

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

Destroy all artifacts and enchantments. You gain 2 life for each permanent destroyed this way.

At the beginning of your upkeep, you draw X cards and you lose X life, where X is the number of Zombies you control.

Changeling (This card is every creature type.) When Graveshifter enters the battlefield, you may return target creature card from your graveyard to your hand.

Changeling (This card is every creature type.) When Guardian Gladewalker enters the battlefield, put a +1/+1 counter on target creature.

Permanents you control gain hexproof and indestructible until end of turn.

Changeling (This card is every creature type.)

Changeling (This card is every creature type.) When Irregular Cohort enters the battlefield, create a 2/2 colorless Shapeshifter creature token with changeling.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Draw a card for each Human you control.

Changeling (This card is every creature type.) Flying {1}{U}: Mistwalker gets +1/-1 until end of turn.

Changeling (This card is every creature type.) As Morophon, the Boundless enters the battlefield, choose a creature type. Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay. Other creatures you control of the chosen type get +1/+1.

Changeling (This card is every creature type.) Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

Choose a creature type. Target player draws X cards and loses X life, where X is the number of creatures they control of the chosen type.

({2/W} can be paid with any two mana or with {W}. This card's mana value is 10.) Other Scarecrow creatures you control get +1/+1. Whenever another Scarecrow enters the battlefield under your control, destroy target permanent.

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

Changeling (This card is every creature type.) {2}{U}: Target Shapeshifter becomes a copy of target creature until your next turn.

Changeling (This card is every creature type.) {1}{B}: Regenerate Skeletal Changeling.

Changeling (This card is every creature type.) Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sliver spells you cast have cascade.

Changeling (This card is every creature type.)

Changeling (This card is every creature type.) Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.

Whenever you cast a Myr spell, create a 1/1 colorless Myr artifact creature token. At the beginning of combat on your turn, untap each Myr you control. {W}{U}{B}{R}{G}, {T}: Put three +1/+1 counters on each Myr you control. Activate only during your turn.