{T}: Add {W}.

Haste {T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Flying {T}: Add one mana of any color.

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

Whenever Copperhorn Scout attacks, untap each other creature you control.

Players can cast spells only during their own turns.

{T}: Add {R}, {G}, or {W}.

(Dryad Arbor isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

Flash When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

{T}: Add {G}.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

{T}: Add {G}.

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

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

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

Rally — Whenever Kalastria Healer or another Ally enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

{T}: Add {G}.

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

{T}: Add {G} for each Elf on the battlefield.

{T}: Add {G}, {U}, or {R}. Morph {2} (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 Rattleclaw Mystic is turned face up, add {G}{U}{R}.

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

Parley — {T}: Each player reveals the top card of their library. For each nonland card revealed this way, add {G} and you gain 1 life. Then each player draws a card.

Flash When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Defender, hexproof {T}: Add one mana of any color.

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

{T}: Add one mana of any color.

{T}: Untap target land.

Players can cast spells and activate abilities only during their own turns.

All creatures have haste.

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

Creatures don't untap during their controllers' untap steps. Whenever a creature enters the battlefield, untap all creatures.

Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. Untap those creatures. Whenever you cast a noncreature spell, you may draw a card. If you do, discard a card.

All creatures have haste.

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.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Create a token that's a copy of target creature you control. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Target creature becomes red and gains haste until end of turn. Draw a card.

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

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Target creature gains haste until end of turn. Draw a card.

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

Target creature gains flying until end of turn. Draw a card.

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

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

Untap target creature. Draw a card.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.) Draw a card.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

You may tap or untap target artifact, creature, or land. Draw a card.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

({T}: Add {B} or {R}.) As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

({T}: Add {G} or {U}.) As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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 one mana of any color. Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

({T}: Add {G}.)

({T}: Add {W} or {B}.) As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

Jungle Shrine enters the battlefield tapped. {T}: Add {R}, {G}, or {W}.

{T}: Add {C}. {T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

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

Opulent Palace enters the battlefield tapped. {T}: Add {B}, {G}, or {U}.

({T}: Add {B} or {G}.) As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{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 {R} or {W}.) As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Savage Lands enters the battlefield tapped. {T}: Add {B}, {R}, or {G}.

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

Seaside Citadel enters the battlefield tapped. {T}: Add {G}, {W}, or {U}.

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

({T}: Add {G} or {W}.) As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

({T}: Add {U} or {B}.) As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

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

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

Destroy all lands.

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

As an additional cost to cast this spell, sacrifice a creature. Search your library for a card, put that card into your hand, then shuffle.

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

Each player chooses from the lands they control a land of each basic land type, then sacrifices the rest.

Search your library for a green creature card with mana value X or less, put it onto the battlefield, then shuffle. Shuffle Green Sun's Zenith into its owner's library.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this permanent."

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

Devoid (This card has no color.) Target creature can't be blocked this turn. Draw a card.

Strive — This spell costs {2}{R} more to cast for each target beyond the first. Choose any number of target creatures you control. For each of them, create a token that's a copy of that creature, except it has haste. Exile those tokens at the beginning of the next end step.