mtg.wtf

Players have no maximum hand size.
How Civil of You — At the beginning of your end step, each player may draw a card. Each opponent who does can't attack you or permanents you control during their next turn.

{T}: Add {C}.
{T}, Say the secret word: Add one mana of any color. Scry 1. You gain 1 life.

Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate.

Flying
Artifact spells you cast have demonstrate. (When you cast one, you may copy it. If you do, choose an opponent to also copy it. Copies become tokens.)

You start the game with an additional 7 life.

Enchant creature
Enchanted creature is goaded.
If enchanted creature would deal combat damage to a permanent or player, it deals double that damage instead.
{2}{R}: Return The Sound of Drums from your graveyard to your hand.

Whenever a creature you control becomes blocked, round both its power and toughness up to the nearest 5. (A creature with 5 power would round up to 5.).
Whenever Chaos ensues, Amass Fans 5. (Put five +1/+1 counters on an Army you control. It's also a Fan. If you don't control an army, create a 0/0 red Fan Army creature token first.)

The Spike Cactus enters the battlefield with +1/+1 counters on it equal to the amount of mana spent to cast it.
{2}, Remove a +1/+1 counter from The Spike Cactus: Put a +1/+1 counter on target creature.

Whenever The Sprinkler of Stardust attacks, look at the top six cards of your library. You may put an instant or sorcery card from among them onto the battlefield tapped and attacking. It becomes a 2/2 creature with "Whenever this deals combat damage to an opponent, cast a copy of this card." (The 2/2 creature stays on the battlefield.) Put the rest of the cards on the bottom of your library in a random order.

Visit — An opponent chooses "the fastest," "the scariest," or "the weakest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Visit — An opponent chooses "the cutest," "the loudest," or "the strongest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Visit — An opponent chooses "the quietest," "the slowest," or "the ugliest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Visit — An opponent chooses "the cleanest," "the hungriest," or "the strangest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Visit — An opponent chooses "the friendliest," "the smartest," or "the wildest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Visit — An opponent chooses "the funniest," "the smelliest," or "the sturdiest." You choose a creature, then ask a person outside the game to choose the creature that best fits the chosen criteria. If they chose the same creature you chose, claim the prize!
Prize — Create two 1/1 red Balloon creature tokens with flying, then sacrifice The Superlatorium and open an Attraction.

Whenever The Tokenator attacks, you get two token counters. Then create a creature token with the color(s) and creature type of your choice. Its power and toughness are any combination equal to the number of token counters you have. (For example, if you have four token counters, it can be a 0/4, 1/3, 2/2, 3/1, or, if you're really sure, 4/0.)

At the beginning of your upkeep, secretly choose a number between 1 and 5 that hasn't been chosen. If you do, an opponent guesses which number you chose, then you reveal the number you chose. If they guessed wrong, they lose life equal to the number they guessed and you draw a card. If they guessed right, sacrifice The Toymaker's Trap.

{1}, {T}: Look at the top three cards of your library. Choose one of them that isn't a playtest card and say its name, then choose a category among power, toughness, or mana value. An opponent guesses in that category about that card, then reveal the card. If they guessed incorrectly, put the card into your hand. Then, put each card not put into your hand this way on the bottom of your library in any order.

Exile The Tyrant: Creatures your opponents control get -1/-1 until end of turn.

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.

Eminence — As long as The Unknown Wizard is in the command zone or on the battlefield, other playtest cards you cast cost {1} less to cast.
Whenever The Unknown Wizard enters or attacks, look at the top ten cards of your library. You may put a legendary playtest card from among them onto the battlefield. Put the rest on the bottom in a random order.

When The Value Knight enters the battlefield, create Syr Acha, a 1/1 legendary red artifact creature Food Knight token with "{2}, {T}, Sacrifice this token: You gain 3 life. Until end of turn, if you would draw a card, draw two cards instead."
Whenever you draw a card, put a +1/+1 counter on The Value Knight.

Your starting hand size is increased by one.
Your maximum hand size is increased by one.

Creatures you control get +2/+2 and have trample.
When a creature you control dies, abandon this scheme.

Whenever one or more other permanents phase out and whenever one or more other cards are put into exile from anywhere, put a time counter on The War Doctor.
Whenever The War Doctor attacks, it deals damage equal to the number of time counters on it to any target. If a creature dealt damage this way would die this turn, exile it instead.