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.

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.

The Space Family Goblinson has trample as long as you've rolled three or more dice this turn.
Whenever you roll a die, put a +1/+1 counter on The Space Family Goblinson.

I — You may exchange control of two target creatures.
II — You may exchange control of two target nonbasic, noncreature permanents that share a card type.
III — Target player loses 3 life and you gain 3 life.

At the beginning of your upkeep, exile the top card of your library.
During your turn, if an opponent lost life this turn, you may play lands and cast spells from among cards exiled with Theater of Horrors.
{3}{R}: Theater of Horrors deals 1 damage to target opponent or planeswalker.

Flying
Whenever Thief of Sanity deals combat damage to a player, look at the top three cards of that player's library, exile one of them face down, then put the rest into their graveyard. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

Whenever you cast a white spell, Thistledown Duo gets +1/+1 until end of turn.
Whenever you cast a blue spell, Thistledown Duo gains flying until end of turn.

Flash
Other white creatures you control get +1/+1.
Other blue creatures you control get +1/+1.

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Surveil 1.

Choose a nonland card name. Target player reveals their hand. Thought Hemorrhage deals 3 damage to that player for each card with the chosen name revealed this way. Search that player's graveyard, hand, and library for all cards with that name and exile them. Then that player shuffles.

Target opponent reveals each nonland card in their hand. You choose one of those cards. Exile that card.
Threshold — If seven or more cards are in your graveyard, seek a Rat card. It perpetually gains "This spell costs {1} less to cast."

At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.

{U}{B}, {T}: Target player loses 1 life and reveals their hand.

Tap all creatures your opponents control and untap all creatures you control.

Trample
Whenever Thrakkus the Butcher attacks, double the power of each Dragon you control until end of turn.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Create a 4/4 red and green Beast creature token with trample.

Devour X, where X is the number of creatures devoured this way

Flash
Flying
Other creatures you control with flying get +1/+1.

As Tibalt enters, you get an emblem with "You may play cards exiled with Tibalt, Cosmic Impostor, and you may spend mana as though it were mana of any color to cast those spells."
[+2]: Exile the top card of each player's library.
[–3]: Exile target artifact or creature.
[–8]: Exile all graveyards. Add {R}{R}{R}.

Menace
Threshold — When Tidecaller Mentor enters, if seven or more cards are in your graveyard, return up to one target nonland permanent to its owner's hand.

Flying
Deathtouch

{T}, Sacrifice five artifacts: Take an extra turn after this one.

Return a creature you control to its owner's hand, then destroy all creatures.

Vigilance
{T}: Add {R}{G}. Spend this mana only to cast face-down spells or to turn creatures face up.