{T}: Add {C}. {T}: Untap target Griffin. If it's a creature, it gets +1/+1 until end of turn.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Dragon creature spell. {2}, {T}, Sacrifice this land: Return target Dragon creature card or Ugin planeswalker card from your graveyard to your hand.

({T}: Add {U}.)

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

This artifact doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap this artifact.

Creatures you control are Slivers in addition to their other creature types.

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.

{T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr. {3}, {T}: Return target Myr card from your graveyard to your hand.

{2}, {T}, Sacrifice a creature: Search your library for a creature card that shares a creature type with the sacrificed creature and has mana value equal to 1 plus that creature's mana value. Put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Whenever you activate an ability, if it isn't a mana ability, you may pay {2}. If you do, copy that ability. You may choose new targets for the copy.

This artifact enters tapped. {T}: Add {U}.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

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

{T}: Untap target artifact or creature. Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

You may choose not to untap this creature during your untap step. As this creature enters, an opponent chooses a creature type. {T}: Gain control of target creature that isn't of the chosen type for as long as this creature remains tapped.

Mage Hand — {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

{T}: You may tap or untap another target permanent. Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Aberrant Tinkering — When this creature enters and at the beginning of your upkeep, each Horror you control gains all activated abilities of target artifact an opponent controls until end of turn. You may spend blue mana as though it were mana of any color to activate those abilities.

Whenever you cast an artifact, instant, or sorcery spell, copy that spell. You may choose new targets for the copy. This ability triggers only once each turn. (A copy of a permanent spell becomes a token.) Whenever an opponent casts an artifact, instant, or sorcery spell, counter that spell. This ability triggers only once each turn.

{T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands.

When Llawan enters, return all blue creatures your opponents control to their owners' hands. Your opponents can't cast blue creature spells.

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.

Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

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

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

{T}: Add {U}.

Flying Whenever you cast a Spirit or Arcane spell, you may tap or untap target creature.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, return target Sliver to its owner's hand. Wizardcycling {3} ({3}, Discard this card: Search your library for a Wizard card, reveal it, put it into your hand, then shuffle.)

{T}: Untap another target permanent. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, untap target permanent.

Red spells cost {2} more to cast.

{1}{U}: Counter target red spell.

Creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

Whenever an opponent casts a green spell, you draw a card.

Whenever a nontoken Zombie you control enters, create a token that's a copy of that creature.

If a player would draw a card, that player exiles the top card of one of their opponents' libraries face down instead. Each player may look at cards they exiled with this enchantment, and they may play lands and cast spells from among those cards.

As this enchantment enters, choose a color word. All instances of color words in the text of spells and permanents are changed to the chosen color word.

Whenever you cast an instant or sorcery spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Change the text of target spell or permanent by replacing all instances of one creature type with another. The new creature type can't be Wall. (This effect lasts indefinitely.)

Choose one — • Counter target red spell. • Destroy target red permanent.

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

Target creature becomes blue until end of turn. Untap that creature. Draw a card.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Untap all nonland permanents you control.

Choose one — • Tap target permanent. • Untap target permanent. Entwine {1} (Choose both if you pay the entwine cost.)

Attach target Aura attached to a creature or land to another permanent of that type.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

(Nonexistent mana costs can't be paid.) Draw a card. Splice onto Arcane {1}{U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Create a token that's a copy of target creature you control. If it's your turn, scry 2.

Gain control of target Equipment, then create a 0/0 black Phyrexian Germ creature token and attach that Equipment to it.

Return all green permanents to their owners' hands.

Choose one — • Counter target spell if it's red. • Destroy target permanent if it's red.

Counter target spell that targets a creature.

Counter target spell that targets a permanent you control. Draw a card.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {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.)

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

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Target permanent becomes the color or colors of your choice. (This effect lasts indefinitely.)

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it.

Counter target activated ability, triggered ability, or legendary spell.

Whenever a nontoken creature an opponent controls enters this turn, create a token that's a copy of that creature.

Counter target spell that targets a permanent you control.

You may tap or untap target artifact, creature, or land.