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

Commander creatures you own have "The first Dragon spell you cast each turn costs {2} less to cast."

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast an Ally spell.

{1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.

This spell can't be countered.

You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

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.

Enchant creature

Enchanted creature gets +2/+2, has reach, and is every creature type.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Counter target spell.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

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

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

Sacrifice Commander's Sphere: Draw a card.

Counter target spell.

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.

You have no maximum hand size.

{T}: Add one mana of any color.

Choose one --

• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

• Counter target noncreature spell unless its controller pays {3}.

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.

For each of X target permanents, create X tokens that are copies of that permanent.

This spell costs {2} less to cast if you control a Dragon.

Draw three cards.

Whenever a Dragon enters the battlefield under your control, put a gold counter on Dragon's Hoard.

{T}, Remove a gold counter from Dragon's Hoard: Draw a card.

{T}: Add one mana of any color.

Other Elf creatures you control get +1/+1.

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

Enchant creature you control

At the beginning of your upkeep, create a token that's a copy of enchanted creature, except the token is 1/1.

When enchanted creature dies, if that creature was a Horror, return Endless Evil to its owner's hand.

At the beginning of your upkeep, create a token that's a copy of another target nonland permanent you control.

Other Cats you control get +1/+1 and have protection from Dogs.

Whenever one or more Cats you control deal combat damage to a player, destroy up to one target artifact or enchantment that player controls.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Changeling (This card is every creature type.)

Trample

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

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Changeling (This card is every creature type.)

Whenever another creature named Gladewalker Ritualist enters the battlefield under your control, draw a card.

Draw a card. You may put a land card from your hand onto the battlefield.

Changeling (This card is every creature type.)

When Guardian Gladewalker enters the battlefield, put a +1/+1 counter on target creature.

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

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Other Knights you control have horsemanship.

({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}.)

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.

You may look at the top card of your library any time.

You may cast Dragon spells from the top of your library.

Changeling (This card is every creature type.)

{2}{G}, {T}, Exile a creature card from your graveyard: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Changeling (This card is every creature type.)

When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.

Search your library for a card, then shuffle and put that card third from the top.

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

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

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.

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.

The "legend rule" doesn't apply to permanents you control.

Each legendary creature you control gets +1/+1.

Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

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.)

You may have Moritte of the Frost enter the battlefield as a copy of a permanent you control, except it's legendary and snow in addition to its other types and, if it's a creature, it enters with two additional +1/+1 counters on it and has changeling.

Changeling (This card is every creature type.)

Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

Equipped creature has lifelink if you control a Cleric, deathtouch if you control a Rogue, haste if you control a Warrior, and flying if you control a Wizard.

As long as you have a full party, prevent all damage that would be dealt to equipped creature.

Equip {2}

Counter target noncreature spell.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Choose a creature type. If you control more creatures of that type than each other player, you gain control of all creatures of that type. (This effect lasts indefinitely.)

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

Create a token that's a copy of target creature you control.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.

Return target card from your graveyard to your hand.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with "{T}: Add one mana of any color."

{T}: Add {C}.

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

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.

Whenever equipped creature deals combat damage to a player, you draw that many cards.

Equip {4}

Equip Shaman, Warlock, or Wizard {1}

{T}: Draw a card for each Ally you control.

As Secluded Courtyard 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 or activate an ability of a creature source of the chosen type.

When Seraph Sanctuary enters the battlefield, you gain 1 life.

Whenever an Angel enters the battlefield under your control, you gain 1 life.

{T}: Add {C}.

Return two target creatures to their owners' hands.

Wizardcycling {2} ({2}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

Whenever you cast a Beast or Bird creature spell, you may copy it, except the copy is an artifact in addition to its other types. (The copy becomes a token.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I -- Create a 2/2 blue Shapeshifter creature token with changeling.

II -- Any number of target Shapeshifter creatures you control have base power and toughness 4/4.

III -- Choose up to one target creature or planeswalker. Each creature with power 4 or greater you control deals damage equal to its power to that permanent.

{T}: Add {C}.

{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

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

{T}: Add {U}. Put a time counter on Trenzalore Clocktower.

{1}{U}, {T}, Remove twelve time counters from Trenzalore Clocktower and exile it: Shuffle your graveyard and hand into your library, then draw seven cards. Activate only if you control a Time Lord.

Changeling (This card is every creature type.)

{1}{U}: Switch Turtleshell Changeling's power and toughness until end of turn.

Changeling (This card is every creature type.)

When Volo enters the battlefield, create Volo's Journal, a legendary colorless artifact token with hexproof and "Whenever you cast a creature spell, note one of its creature types that hasn't been noted for this artifact."

{2}, {T}: Draw a card for each creature type noted for target permanent you control named Volo's Journal.

Choose a Background

Changeling (This card is every creature type.)

Reach

When Webweaver Changeling enters the battlefield, if there are three or more creature cards in your graveyard, you gain 5 life.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

Changeling (This card is every creature type.)