: Add .
, : Target creature gains protection from artifacts until end of turn.

(Gobland isn't a spell, it's affected by summoning sickness, and it has ": Add .")
Gobland can't block.

+1: Wrenn and One gains ": Add until your next turn.
−1: Create a 1/1 green Squirrel creature token.
−4: You get an emblem with "At the beginning of your precombat main phase, add for each creature you control."

Search your library for a green creature card, reveal it, put it into your hand, then shuffle.
At the beginning of your next upkeep, pay . If you don't, you lose the game.

Walking Ballista enters with X +1/+1 counters on it.
: Put a +1/+1 counter on Walking Ballista.
Remove a +1/+1 counter from Walking Ballista: It deals 1 damage to any target.

(Start the game with this conspiracy face up in the command zone.)
You can't attack with an odd number of creatures.
Whenever you attack, double target creature's power until end of turn.

Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.

: Add .
, : Tap target land.

: Add .
, : Thespian's Stage becomes a copy of target land, except it has this ability.

Slumbering Waterways enters the battlefield tapped.
: Add or .
Flying, vigilance, trample

, : Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

(: Add or .)
Fetching Garden enters the battlefield tapped if it was played from your hand.

Madlands enters the battlefield tapped.
: Add or .
Madness (If you discard this card, discard it into exile. When you do, play it for its madness cost or put it into your graveyard. You can play a land only during your turn and only if you have an available land play remaining.)

Vanishing 4 (This land enters the battlefield with four time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
: Add , , or .

: Add one mana of any color. You get two poison counters.

: Add .
, : Exile the bottom card of target opponent's library.
Whenever one or more cards an opponent owns are put into exile, put a release counter on The Heron Moon. Then if it has thirteen or more release counters on it, sacrifice it and create a copy of Emrakul, the Promised End. Cast it without paying its mana cost.

Land casualty 2 (As this land enters, you may sacrifice a creature with power 2 or greater. If you do, create a token that's a copy of this land.)
Maestros' Totally Safe Hideout enters the battlefield tapped.
: Add , , or .

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)
: Add , , or . If you don't have the city's blessing, you lose 1 life.

: Add .
: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

Suspend 4— (Rather than cast this card from your hand, pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)
Create two 4/4 green Rhino creature tokens with trample.

: Add one mana of any type that a land you control could produce.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Urza's Saga gains ": Add ."
II — Urza's Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"
III — Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle.

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

Lazotep Archway enters the battlefield tapped.
: Add or .
Eternalize (: Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie creature and loses all other card types. Eternalize only as a sorcery. And don't forget it still enters tapped!)

Target permanent.

(Start the game with this conspiracy face up in the command zone. Before the game, secretly choose one of the following. During your end step, if you meet the condition, you may reveal your choice and turn this card face down. When you do, collect the reward.)
• You've cast three or more spells this turn.
• An opponent lost 6 or more life this turn.
• There are nine or more cards in your graveyard.
Reward — Draw a card.

Level up (: Put a level counter on this. Level up only as a sorcery.)
: Add .
LEVEL 1-7
: Add , , , or .
LEVEL 8+
: Add , , , or . Scry 1.

Processing Plant enters the battlefield tapped.
When Processing Plant enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, untap Processing Plant. Otherwise, exile the top card of each opponent's library.
: Add , , , or .

Sunburst (This enters with a charge counter on it for each color of mana spent to cast it.)
, Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives.

Value Town enters the battlefield tapped.
: Add or .

: Add one mana of any color.
Other noncreature artifacts are mono and continuous. (Each activated ability of mono artifacts costs an additional to activate if its cost doesn't already include . As long as a continuous artifact is tapped, it loses all abilities.)

Search your library for a basic land card, reveal it, put it into your hand, then shuffle this spell into its owner's library transformed. (For playtesting purposes, put it into its sleeve upside down.)

Creatures with power 3 or greater don't untap during their controllers' untap steps.

Death's Shadow gets -X/-X, where X is your life total.

Haste
Whenever Goblin Guide attacks, defending player reveals the top card of their library. If it's a land card, that player puts it into their hand.

Boltfire deals 2 damage to any target.
Flashforward (You may cast this card from exile for its flashforward cost. Then put it on the bottom of your library.)