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.

Whenever a player casts a spell that targets a single player, each player rolls a six-sided die. Change the target of that spell to the player with the lowest result. Reroll to break ties, if necessary.

When Spark Fiend enters the battlefield, roll two six-sided dice. If you rolled 2, 3, or 12, sacrifice Spark Fiend. If you rolled 7 or 11, don't roll dice for Spark Fiend during any of your following upkeeps. If you rolled any other total, note that total.

At the beginning of your upkeep, roll two six-sided dice. If you rolled 7, sacrifice Spark Fiend. If you roll the noted total, don't roll dice for Spark Fiend during any of your following upkeeps. Otherwise, do nothing.

Roll a six-sided die. Strategy, Schmategy has the indicated effect.

1 — Do nothing.

2 — Destroy all artifacts.

3 — Destroy all lands.

4 — Strategy, Schmategy deals 3 damage to each creature and each player.

5 — Each player discards their hand and draws seven cards.

6 — Repeat this process two more times.

The Ultimate Nightmare of Wizards of the Coast® Customer Service deals X damage to each of Y target creatures and Z target players or planeswalkers.

Enchant creature

For each other card named Cardboard Carapace you have with you outside the game, enchanted creature gets +1/+1.

Choose another player. Search your library for a basic land card, put it onto the battlefield, then shuffle. At the beginning of the first upkeep in your next game with that player, search your library for a basic land card, put it onto the battlefield, then shuffle.

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

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

{1}{G}: Roll two six-sided dice. If both results are the same, Free-Range Chicken gets +X/+X until end of turn, where X is that result. If the total of those results is equal to any other total you have rolled this turn for this ability, sacrifice it. (For example, if you roll two 3s, it gets +3/+3. If you roll a 4 and a 2 for this ability later that turn, sacrifice it.)

Exile all lands. Give each player a number of those cards chosen at random equal to the number of those cards the player controlled. Each player returns those cards to the battlefield under their control.

When Ghazbán Ogress enters the battlefield, if one player has won more Magic games that day than any other player, that player gains control of Ghazbán Ogress.

Roll a six-sided die. Target creature gets +X/+X until end of turn, where X is the result.

Gus enters the battlefield 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.

At the beginning of your upkeep, you may remove a counter from a permanent you control. If you don't, sacrifice Hungry Hungry Heifer.

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

When Mine, Mine, Mine! enters the battlefield, 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 Mine, Mine, Mine! leaves the battlefield, each player shuffles their hand and graveyard into their library.

{1}{G}: Reveal a card in your hand, covering the artist credit. Target opponent guesses the artist. If they guess wrong, create a 1/1 green Squirrel creature token.

Creatures target player's team controls get +1/+1 until end of turn.

{4}: You may put a creature card from your hand onto the battlefield.

{T}, Sacrifice Ashnod's Coupon: Target player gets you target drink. You pay any costs for the drink.

{T}: Tear Blacker Lotus into pieces. Add four mana of any one color. Remove the pieces from the game.

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 Bronze Calendar.

{4}, {T}: Tear Chaos Confetti into pieces. Throw the pieces onto the battlefield from a distance of at least five feet. Destroy each permanent that a piece touches. Remove the pieces from the game.

Flying

{1}, Throw Clay Pigeon into the air at least two feet above your head while seated: If you catch Clay Pigeon with one hand, prevent all damage a source of your choice would deal to you this turn and tap Clay Pigeon. Otherwise, sacrifice it.

{2}, {T}: Move a counter from one permanent onto another. If the second permanent refers to any kind of counter, the moved counter becomes one of those counters. Otherwise, it becomes a +1/+1 counter.

{T}: Roll a six-sided die. This ability has the indicated effect.

1 — Sacrifice Jack-in-the-Mox and you lose 5 life.

2 — Add {W}.

3 — Add {U}.

4 — Add {B}.

5 — Add {R}.

6 — Add {G}.

{2}, {T}, Sacrifice Jester's Sombrero: Look at target player's sideboard, choose three cards from it, and remove those cards from the match.

Mirror Mirror enters the battlefield tapped.

{7}, {T}, Sacrifice Mirror Mirror: Choose target player. At the beginning of the next end step, exchange life totals with that player, exchange control of all permanents you and that player control, and exchange cards in your hands, cards in your libraries, and cards in your graveyards.

Creatures named Rock Lobster can't attack or block.

Creatures named Scissors Lizard can't attack or block.

Creatures named Paper Tiger can't attack or block.

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

Urza's Contact Lenses enters the battlefield tapped.

Urza's Contact Lenses doesn't untap during your untap step.

As long as Urza's Contact Lenses is untapped, all players play with their hands revealed.

Clap your hands twice: You may tap or untap Urza's Contact Lenses.

{2}: Roll a six-sided die. Urza's Science Fair Project gets the indicated result.

1 — It gets -2/-2 until end of turn.

2 — Prevent all combat damage it would deal this turn.

3 — It gains vigilance until end of turn.

4 — It gains first strike until end of turn.

5 — It gains flying until end of turn.

6 — It gets +2/+2 until end of turn.

({T}: Add {W}.)

({T}: Add {U}.)

({T}: Add {B}.)

({T}: Add {R}.)

({T}: Add {G}.)