Spooky20

{T}: Add {C}. {T}: Add {R} or {G}. Karplusan Forest deals 1 damage to you.

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

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

{T}: Add {C}. {T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.

Slagwoods Bridge enters tapped. Indestructible {T}: Add {R} or {G}.

Equipped creature gets +1/+1 for each artifact you control. Whenever equipped creature attacks, look at the top six cards of your library. You may ...

As Frostboil Snarl enters, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters tapped. {T}: Add {U} or {R}.

{3}: Untap Retrofitter Foundry. {2}, {T}: Create a 1/1 colorless Servo artifact creature token. {1}, {T}, Sacrifice a Servo: Create a 1/1 colorless...

{T}: Add one mana of any color. {4}, {T}: Choose one. Activate only as a sorcery. • Double the number of each kind of counter on target permanent. ...

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

Tanglepool Bridge enters tapped. Indestructible {T}: Add {G} or {U}.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Path of Ancestry 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...

{T}: Add {C}. {T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.

{T}: Add one mana of any color in your commander's color identity. Sacrifice Commander's Sphere: Draw a card.

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying. Whenever one or mo...

Flying At the beginning of your upkeep, you get {E}{E}{E} (three energy counters). Pay eight {E}: Return all other creatures to their owners' hands...

Imprint — When Duplicant enters, you may exile target nontoken creature. As long as a card exiled with Duplicant is a creature card, Duplicant has ...

When Druid of Purification enters, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent c...

{T}: Add one mana of any color. {4}, {T}: Choose one. Activate only as a sorcery. • Double the number of each kind of counter on target permanent. ...

As Vineglimmer Snarl enters, you may reveal a Forest or Island card from your hand. If you don't, Vineglimmer Snarl enters tapped. {T}: Add {G} or ...

{T}: Add {C}. {T}, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

Whenever you cast a spell, you get an amount of {E} (energy counters) equal to the amount of mana spent to cast that spell. {T}, Pay fifty {E}: Dra...

({T}: Add {R} or {G}.) Sheltered Thicket enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)