Whenever Terisian Mindbreaker attacks, defending player mills half their library, rounded up.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

: Add .

, , Sacrifice Terminal Moraine: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

: Choose a basic land type. Each land you control becomes that type until end of turn.

, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Menace

Whenever Terror Ballista attacks, you may sacrifice another creature. When you do, destroy target creature an opponent controls.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

: Testament of Faith becomes an X/X Wall creature with defender in addition to its other types until end of turn.

Deathtouch

, Reveal Tetzimoc, Primal Death from your hand: Put a prey counter on target creature. Activate only during your turn.

When Tetzimoc enters, destroy each creature your opponents control with a prey counter on it.

+2: Create two 0/1 black Thrull creature tokens.

+1: You may sacrifice another creature or planeswalker. If you do, draw two cards, then draw another card if the sacrificed permanent was a commander.

−10: Gain control of all commanders. Put all commanders from the command zone onto the battlefield under your control.

Tevesh Szat, Doom of Fools can be your commander.

Partner

When Teyo, Geometric Tactician enters, create a 0/4 white Wall creature token with defender and flying.

+1: You and target opponent each draw a card.

−2: Choose left or right. Until your next turn, each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.

Sacrifice three white creatures: Exile target creature.

Whenever another black creature you control dies, create a 1/1 white Spirit creature token with flying.

+1: Untap up to two target artifacts.

−X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

+1: Create a 1/1 colorless Thopter artifact creature token with flying.

0: Draw a card. If you control three or more artifacts, draw two cards instead.

−9: You get an emblem with "At the beginning of your end step, search your library for a permanent card, put it onto the battlefield, then shuffle."

+1: Draw a card.

0: Until your next turn, target artifact you control becomes a 5/5 creature in addition to its other types.

−7: Put any number of cards from your hand onto the battlefield face down. They're 5/5 artifact creatures.

Creature and planeswalker spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

+2: Tezzeret, Master of the Bridge deals X damage to each opponent, where X is the number of artifacts you control. You gain X life.

−3: Return target artifact card from your graveyard to your hand.

−8: Exile the top ten cards of your library. Put all artifact cards from among them onto the battlefield.

: Target opponent loses 1 life. If you control a Tezzeret planeswalker, that player loses 3 life instead.

: Add .

: Add or . Thalakos Lowlands doesn't untap during your next untap step.

Shadow (This creature can block or be blocked by only creatures with shadow.)

Discard a card: Return Thalakos Scout to its owner's hand.

At the beginning of your upkeep, put a spore counter on Thallid.

Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, put a spore counter on Thallid Germinator.

Remove three spore counters from Thallid Germinator: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: Target creature gets +1/+1 until end of turn.

Defender

At the beginning of your upkeep, put a spore counter on Thallid Shell-Dweller.

Remove three spore counters from Thallid Shell-Dweller: Create a 1/1 green Saproling creature token.

Indestructible

As long as your devotion to blue is less than five, Thassa isn't a creature.

At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control.

: Tap another target creature.

: You may tap or untap target creature.

Create a Treasure token. (Then exile this card. You may cast the creature later from exile.)

Sacrifice a land: Thaumatog gets +1/+1 until end of turn.

Sacrifice an enchantment: Thaumatog gets +1/+1 until end of turn.

Descend 8 — The Ancient One can't attack or block unless there are eight or more permanent cards in your graveyard.

: Draw a card, then discard a card. When you discard a card this way, target player mills cards equal to its mana value.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

Whenever you gain life, each Advisor, Artificer, and Monk you control gains vigilance and gets +X/+0 until end of turn, where X is the amount of life you gained.

Tap three untapped Advisors, Artificers, and/or Monks you control: Draw a card.

Trample, haste

When The Balrog of Moria dies, you may exile it. When you do, for each opponent, exile up to one target creature that player controls.

Cycling (, Discard this card: Draw a card.)

When you cycle The Balrog of Moria, create two Treasure tokens.

Vigilance, haste

: Target opponent whose turn it is puts target nonlegendary creature card from your graveyard onto the battlefield under their control. It gains haste. Goad it. At the beginning of the next end step, exile it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

, : Roll a six-sided die. Create a number of 1/1 red Brainiac creature tokens equal to the result.

Tap three untapped Brainiacs you control: The next time you would roll a six-sided die, instead roll two six-sided dice and use the total of those results.

As The Black Gate enters, you may pay 3 life. If you don't, it enters tapped.

: Add .

, : Choose a player with the most life or tied for most life. Target creature can't be blocked by creatures that player controls this turn.

At the beginning of your end step, if you gained 3 or more life this turn, create a 3/3 white Angel creature token with flying.

, , Exile The Book of Exalted Deeds: Put an enlightened counter on target Angel. It gains "You can't lose the game and your opponents can't win the game." Activate only as a sorcery.

Enchant creature

Enchanted creature gets +1/+0.

: Regenerate enchanted creature.

This spell costs less to cast for each creature card in your graveyard.

Whenever a creature you control dies, put it on the bottom of its owner's library.

, , Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

At the beginning of your end step, if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life.

, : For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities have been activated this turn.

This spell costs less to cast for each Knight you control.

Creatures you control get +1/+1.

Whenever you cast a legendary spell, create a 2/2 white Knight creature token with vigilance.

, : Create a 2/2 white Knight creature token with vigilance.

, : Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.

1–9 | Return a card at random from your graveyard to your hand.

10–19 | Draw two cards.

20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.

I. AM. TALKING — Whenever The Eleventh Doctor deals combat damage to a player, you may exile a card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend.

: Target creature with power 3 or less can't be blocked this turn.

No more than one creature can attack The Eternal Wanderer each combat.

+1: Exile up to one target artifact or creature. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

0: Create a 2/2 white Samurai creature token with double strike.

−4: For each player, choose a creature that player controls. Each player sacrifices all creatures they control not chosen this way.

: You may cast a spell with suspend from your hand. If you do, pay its suspend cost rather than its mana cost. Activate only as a sorcery.

: Put an oil counter on The Filigree Sylex.

, Sacrifice The Filigree Sylex: Destroy each nonland permanent with mana value equal to the number of oil counters on The Filigree Sylex.

, Remove ten oil counters from among permanents you control and sacrifice The Filigree Sylex: It deals 10 damage to any target.

Arcane Life-support — If you would lose the game, instead exile The Golden Throne and your life total becomes 1.

A Thousand Souls Die Every Day — , Sacrifice a creature: Add three mana in any combination of colors.

This spell costs less to cast, where X is the greatest power among creatures you control.

: Add . You gain 2 life.

Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

: Until end of turn, each creature card in your graveyard gains "Escape—, Exile four other cards from your graveyard." (You may cast a card with escape from your graveyard for its escape cost.)

, : Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can't be blocked except by creatures with flying or reach.)

: Add .

Whenever a legendary creature you control enters, you may have The Irencrag become a legendary Equipment artifact named Everflame, Heroes' Legacy. If you do, it gains equip and "Equipped creature gets +3/+3" and loses all other abilities.

Flying

Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste.

: Draw a card, then discard a card.

When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

: Target creature an opponent controls with power less than or equal to The Master's power gains skulk until end of turn. Goad it. (A creature with skulk can't be blocked by creatures with greater power.)

Whenever a creature with skulk deals combat damage to one of your opponents, put a +1/+1 counter on The Master and draw a card.

When The Mightstone and Weakstone enters, choose one —

• Draw two cards.

• Target creature gets -5/-5 until end of turn.

: Add . This mana can't be spent to cast nonartifact spells.

(Melds with Urza, Lord Protector.)

At the beginning of your upkeep, put a time counter on The Moment.

, : Untap target creature you control. It phases out until The Moment leaves the battlefield.

, : Destroy each nonland permanent with mana value less than or equal to the number of time counters on The Moment. Then sacrifice The Moment. Activate only as a sorcery.

: Add .

, : Add one mana of any color.

, : The Mycosynth Gardens becomes a copy of target nontoken artifact you control with mana value X.