the edict is neat but I feel like it should cost 3

why do you use card tags around all your cards

So I can check if a card's name is in use already, and edit accordingly.

Doctrine of Nonviolence
Enchantment - Aura
Enchant creature
You control enchanted creature.
Enchanted creature can't attack or block.

A cycle of cards that could go into the BCP:

Subtle Negotiations
Instant
Draw a card, then counter target spell unless its controller has you draw 2 cards.

Orderly Negotiations
Enchantment
At the beginning of each opponent's upkeep, tap target creature that player controls unless that player taps each other creature they control.

Harsh Negotiations
Instant
Destroy target creature unless its controller sacrifices 2 creatures.

Tense Negotiations
Instant
~ deals 3 damage to target opponent or creature you don't control unless an opponent has ~ deal 3 damage to each other opponent and creature you don't control.

Savage Negotiations
Instant
Each opponent may sacrifice any number of artifacts and enchantments. Then, put a 3/3 green beast creature token onto the battlefield for each artifact and enchantment you don't control.

Select
Instant
Choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in a random order.

Inertia Elemental
Creature - Elemental
At the beginning of your upkeep, tap an untapped permanent you control.
3/4

Dwarven Sniper
Creature - Dwarf Soldier
: ~ deals 2 damage to target blocked or blocking creature.
2/2
"The secret to safe sniping is to make sure there's someone else between you and the guy with a sword before you start shooting."

Exorcism
Sorcery
Put 3 3/1 red Spirit creature tokens with onto the battlefield. Until end of turn, they gain haste and ":t:: This creature fights target creature". Sacrifice them at end of turn.

Multicast
Enchantment
Whenever you cast an instant or sorcery spell, flip a coin. If you win the flip, copy that spell and repeat this process.

Paralyzing Cask
Enchantment - Aura
Enchant creature
At the beginning of enchanted creature's controller's upkeep, tap enchanted creature and ~ deals 2 damage to it, then attach ~ to another creature that player controls at random.
Look at it go!

Doom
Enchantment - Aura
Enchant creature
Enchanted creature loses all abilities and gains "At the beginning of your upkeep, put a -1/-1 counter on this creature".

Soul Rip
Instant
Target creature gets +x/+x until end of turn, where x is the number of other creatures on the battlefield. Each other creature gets -1/-1 until end of turn.

Taunt to Recklessness
Instant
Each creature attacks you this turn if able. You gain absorb 3 until end of turn.

Purification
Instant
Prevent the next 5 damage that would be dealt to target creature this turn. ~ deals 5 damage to each creature blocked by or blocking that creature.

Mana Void
Instant
~ deals damage to target player equal to the number of tapped lands they control.

Browbeater
Creature - Human Mercenary
Whenever ~ deals combat damage to a player, that player may have ~ deal 1 damage to him or her. If they don't, draw a card.
2/1
I'm looking for something. If you don't give it to me, I'm looking to hurt you.

Savage Pyrohydra
Creature - Hydra
Tribute x
~ enters the battlefield with x +1/+1 counters on it.
When ~ enters the battlefield, if its tribute cost wasn't paid, it deals x damage to target creature or player.
0/0

Frozen Flame
Instant
~ deals damage to target creature equal to its toughness.
The destructive power of fire brought to bear with the cold calculation of ice.

Fiery Genesis
Instant
Target creature spell deals damage to its controller equal to its power.

Fiery Genesis is pretty cute. I'm imagining flavor text being about the pain of childbirth or something but that's kinda dumb.

Yes, it's very cute. Adorable, in fact.

Chimney Skirge
Artifact Creature - Imp
Flying, Infect.
When ~ dies, target player puts a card from their hand on top of their library.
1/2

Hot.

You want to make a Chemistry set with me? All Elementals. I dunno what else. I'm still a novice. That's where you come in.

Oxidizing Agent
Creature - Reagent
Soulbond
As long as ~ is paired with another creature, ~ gets -1/-1 and that creature gets +1/+1
2/2

Oh yeah. Tie me to a table and **** me til I bleed.

Sorry, I think that would make squid jealous.

Shrine to Agony
Land
As ~ enters the battlefield, any player may pay 2 life. If a player does, ~ enters the battlefield tapped.
: Add or to your mana pool.

Manavore
Creature - Beast
Whenever an opponent casts a spell, add one mana of any color to your mana pool.
2/3

Transmorphosis
Instant
Two target creatures each become copies of each other until end of turn.

Transmorphosis is great.