Bronze Calendar

Spells you cast cost {1} less to cast.
You must speak in a voice other than your normal voice.
When you speak in your normal voice, sacrifice this artifact.

Clambassadors

Whenever this creature deals damage to a player, choose an artifact, creature, or land you control. That player gains control of that permanent.

Charm School

As this enchantment enters, choose a color and balance this enchantment on your head.
Prevent all damage that would be dealt to you by sources of the chosen color.
When this enchantment falls off your head, sacrifice this enchantment.

Mountain

Incoming!

Each player searches their library for any number of artifact, creature, enchantment, and/or land cards, puts them onto the battlefield, then shuffles.

Denied!

Choose a card name, then target spell's controller reveals their hand. If a card with the chosen name is revealed this way, counter that spell.

Goblin Bookie

{R}, {T}: Reflip any coin or reroll any die. (Activate only any time it makes sense.)

Scissors Lizard

Creatures named Paper Tiger can't attack or block.

Mine, Mine, Mine!

When this enchantment enters, each player puts their library into their hand.
Players have no maximum hand size and don't lose the game for drawing from an empty library.
Each player can't cast more than one spell each turn.
When this enchantment leaves the battlefield, each player shuffles their hand and graveyard into their library.

This creature enters with a +1/+1 counter on it for each Magic game you have lost to one of your opponents since you last won a game against them.

Island

Flock of Rabid Sheep

Flip X coins. For each flip you win, create a 2/2 green Sheep creature token named Rabid Sheep.

Forest

Censorship

As this enchantment enters, choose a word.
Whenever a player says the chosen word, this enchantment deals 2 damage to that player.

Chicken à la King

Whenever a 6 is rolled on a six-sided die, put a +1/+1 counter on each Bird. (You may roll dice only when instructed to.)
Tap an untapped Bird you control: Roll a six-sided die. (Like now.)

Fowl Play

Enchant creature
Enchanted creature loses all abilities and is a Bird creature with base power and toughness 1/1.

Organ Harvest

Your team may sacrifice any number of creatures. For each creature sacrificed this way, you add {B}{B}.

Hurloon Wrangler

Denimwalk (This creature can't be blocked as long as defending player is wearing denim.)

Krazy Kow

At the beginning of your upkeep, roll a six-sided die. If you a roll a 1, sacrifice this creature and it deals 3 damage to each creature and each player.

Spatula of the Ages

{4}, {T}, Sacrifice this artifact: You may put a silver-bordered or acorn permanent card from your hand onto the battlefield.

Elvish Impersonators

As this creature enters, roll a six-sided die twice. Its base power becomes the first result and its base toughness becomes the second result.

Checks and Balances

Cast this spell only if there are three or more players in the game.
Whenever a player casts a spell, each of that player's opponents may discard a card. If they do, counter that spell.

Double Deal

Choose another player. Double Deal deals 3 damage to that player. At the beginning of the first upkeep in your next game with that player, Double Deal deals 3 damage to the player.

Volrath's Motion Sensor

Enchant player
As this Aura enters, choose one of enchanted player's hands. That player balances this Aura on the back of that hand.
When this Aura falls off the chosen hand, sacrifice this Aura and enchanted player loses 3 life.

Common Courtesy

Whenever a player casts a spell without asking your permission while casting it, counter that spell.
When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice this enchantment.

Landfill

Choose a land type. Exile all lands you control of that type. Drop those cards, one at a time, onto the playing area from a height of at least one foot. Destroy each permanent completely covered by those cards. Then return the cards you dropped to the battlefield tapped.