Pact of Negation

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

Secrets of Paradise

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Creatures you control with the chosen name have "{T}: Add one mana of any color."

Advantageous Proclamation

(Start the game with this conspiracy face up in the command zone.)
Your minimum deck size is reduced by five.

Tempest Efreet

Remove this card from your deck before playing if you're not playing for ante.
{T}, Sacrifice this creature: Target opponent may pay 10 life. If that player doesn't, they reveal a card at random from their hand. Exchange ownership of the revealed card and Tempest Efreet. Put the revealed card into your hand and Tempest Efreet from anywhere into that player's graveyard. This change in ownership is permanent.

Laboratory Maniac

If you would draw a card while your library has no cards in it, you win the game instead.

Jeweled Bird

Remove this card from your deck before playing if you're not playing for ante.
{T}: Ante this artifact. If you do, put all other cards you own from the ante into your graveyard, then draw a card.

Darkpact

Remove Darkpact from your deck before playing if you're not playing for ante.
You own target card in the ante. Exchange that card with the top card of your library.

Muzzio's Preparations

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Each creature you control with the chosen name enters with an additional +1/+1 counter on it.

Contract from Below

Remove Contract from Below from your deck before playing if you're not playing for ante.
Discard your hand, ante the top card of your library, then draw seven cards.

Demonic Attorney

Remove Demonic Attorney from your deck before playing if you're not playing for ante.
Each player antes the top card of their library.

Brago's Favor

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Spells with the chosen name you cast cost {1} less to cast.

Timmerian Fiends

Remove this card from your deck before playing if you're not playing for ante.
{B}{B}{B}, Sacrifice this creature: The owner of target artifact may ante the top card of their library. If that player doesn't, exchange ownership of that artifact and Timmerian Fiends. Put the artifact card into your graveyard and Timmerian Fiends from anywhere into that player's graveyard. This change in ownership is permanent.

Rebirth

Remove this card from your deck before playing if you're not playing for ante.
Each player may ante the top card of their library. If a player does, that player's life total becomes 20.

Sentinel Dispatch

(Start the game with this conspiracy face up in the command zone.)
At the beginning of the first upkeep, create a 1/1 colorless Construct artifact creature token with defender.

Power Play

(Start the game with this conspiracy face up in the command zone.)
You are the starting player. If multiple players would be the starting player, one of those players is chosen at random.

Leyline of Anticipation

If this card is in your opening hand, you may begin the game with it on the battlefield.
You may cast spells as though they had flash.

Immediate Action

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Creatures you control with the chosen name have haste.

Amulet of Quoz

Remove this card from your deck before playing if you're not playing for ante.
{T}, Sacrifice this artifact: Target opponent may ante the top card of their library. If they don't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate only during your upkeep.

Complicate

Counter target spell unless its controller pays {3}.
Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.)
When you cycle this card, you may counter target spell unless its controller pays {1}.

Bronze Tablet

Remove this card from your deck before playing if you're not playing for ante.
This artifact enters tapped.
{4}, {T}: Exile this artifact and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put this card into its owner's graveyard. Otherwise, that player owns this card and you own the other exiled card.