Counter target spell.

Choose a creature type. Look at the top six cards of your library. You may reveal any number of cards of the chosen type from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

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

As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {3}, {T}: Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

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

As this artifact enters, choose a creature type. Creature spells of the chosen type cost {2} less to cast.

Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

This land enters 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.)

({T}: Add {W}.)

As this land enters, 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.

({T}: Add {B}.)

As Three Tree City enters, choose a creature type. {T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to the number of creatures you control of the chosen type.

Enchant creature At the beginning of your upkeep, you may look at the top five cards of your library. If you do, you may put a creature card that shares a creature type with enchanted creature from among them onto the battlefield, then you put the rest of those cards on the bottom of your library in any order.

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.

As this enchantment enters, choose a creature type. {1}{W}: Put a divinity counter on target creature you control of the chosen type. Each creature you control with a divinity counter on it has indestructible.

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

If this card is in your opening hand, you may begin the game with it on the battlefield. You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Haste (This creature can attack and {T} as soon as it comes under your control.) When this creature enters, tap all other creatures.

Haste Echo {5}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, tap all other creatures.

Defender When this creature enters, an opponent gains control of it. At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

When Bill the Pony enters, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this token: You gain 3 life.") Sacrifice a Food: Until end of turn, target creature you control assigns combat damage equal to its toughness rather than its power.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, untap another target creature you control.

Haste Whenever Calamity attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once. Saddle 1

First strike, haste Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Whenever this creature attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if this creature isn't saddled. Otherwise, each opponent loses that much life. Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Metalcraft — This creature gets +2/+2 as long as you control three or more artifacts.

As an additional cost to cast this spell, exile a creature card from your graveyard. {3}{U}, Exile this card from your graveyard: Draw a card.

Flash Flying Foretelling cards from your hand costs {1} less and can be done on any player's turn. Foretell {2}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Other Horses you control have indestructible. At the beginning of each end step, if you gained life this turn, create a 5/5 white Horse creature token.

As this creature enters, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) This creature gets +2/+2 as long as you have the city's blessing.

Whenever another creature dies, tap this creature.

{2}{B}, Discard two cards: Return this card from your graveyard to the battlefield tapped.

Whenever a commander you control attacks, put a +1/+1 counter on it. Partner (You can have two commanders if both have partner.)

This spell can't be countered. This creature can't be blocked by blue creatures. {1}{R}: This creature gets +1/+0 until end of turn.

Trample, haste Whenever this creature attacks, attacking creatures get +1/+1 until end of turn. If a Food entered under your control this turn, untap those creatures and they get an additional +2/+2 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control.

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.

Kicker {W} (You may pay an additional {W} as you cast this spell.) When this creature enters, if it was kicked, create a 1/1 white Soldier creature token. {1}, Sacrifice another creature: This creature gets +2/+1 until end of turn.

This creature can't be blocked by white creatures. When this creature enters, creatures your opponents control get -1/-1 until end of turn.

Horses you control have haste. (They can attack and {T} as soon as they come under your control.) Whenever Shadowfax attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.

This creature can't be blocked by red creatures. When this creature enters or becomes the target of a spell or ability an opponent controls, you gain 3 life.

Delirium — {1}{B}: This creature gets +1/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.

This creature can't be blocked by green creatures. Whenever this creature deals damage to an opponent, you may draw a card. If you do, discard a card. {1}{U}: This creature gets +2/-2 until end of turn.

Morph—Reveal a green card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, target creature gains trample until end of turn.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1/+1 counter on this creature."

This creature can't block. Escape—{4}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with two +1/+1 counters on it.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) This creature can't be blocked by black creatures.

Whenever you cast a creature spell that has an Adventure, put a +1/+1 counter on this creature. (It doesn't need to have gone on the adventure first.)

Whenever you cast your first spell during each opponent's turn, draw a card.

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.

Choose a creature type. Draw a card for each permanent you control of that type.

Return any number of permanent cards with different names from your graveyard to the battlefield.

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

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

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 up to two basic land cards, put them onto the battlefield tapped, then shuffle. Cycling {2} ({2}, Discard this card: Draw a card.)

Create X 1/1 white Pegasus creature tokens with flying, where X is your life total.