Tithe

Instant

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards and put them into your hand. Then shuffle your library.

To Arms!

Instant

Untap all creatures you control.

Draw a card.

"The call came, spell-borne through mortar and stone to the ear of every soldier. The call came, and the advantage was ours."
-Lodusz, captain of the watch

Toils of Night and Day

Instant - Arcane

You may tap or untap target permanent, then you may tap or untap another target permanent.

"The war sent Kamigawa into turmoil. Here it was spring and there winter. For some, time stood still, while for others, moments flashed past like minnows in a pond."
-Observations of the Kami War

Tolarian Winds

Instant

Discard all the cards in your hand, then draw that many cards.

Why not ask the winds?
-Tolarian expression meaning
"Who knows?"

Tomb Hex

Instant

Target creature gets -2/-2 until end of turn.

Landfall - If you had a land enter the battlefield under your control this turn, that creature gets -4/-4 until end of turn instead.

Torrent of Stone

Instant - Arcane

Torrent of Stone deals 4 damage to target creature.

Splice onto Arcane-Sacrifice two Mountains. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Tortoise Formation

Instant

Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)

At sea, the Jhessian fleet strikes swiftly and decisively. On land, facing the elite cavalry of Valeron, its marines must rely on more cautious strategies.

Totally Lost

Instant

Put target nonland permanent on top of its owner's library.

Fblthp had always hated crowds.

Touch of Darkness

Instant

Any number of target creatures become black until end of turn.

"Black spirits and white, red spirits and gray,/ Mingle, mingle, mingle, you that mingle may." -Thomas Middleton, The Witch

Touch of Vitae

Instant

Until end of turn, target creature gains haste and ": Untap this creature. Activate this ability only once."

Draw a card at the beginning of the next turn's upkeep.

Tower Defense

Instant

Creatures you control get +0/+5 and gain reach until end of turn.

"The drakes are practice. We may one day need to bring down a sky swallower, or maybe even Rakdos himself."
-Korun Nar, Rubblebelt hunter

Toxic Stench

Instant

Target nonblack creature gets -1/-1 until end of turn.

Threshold - If seven or more cards are in your graveyard, instead destroy that creature. It can't be regenerated.

Tragic Slip

Instant

Target creature gets -1/-1 until end of turn.

Morbid - That creature gets -13/-13 until end of turn instead if a creature died this turn.

Linger on death's door and risk being invited in.

Trailblazer

Instant

Target creature is unblockable this turn.

"Our Elvish Hunter Taaveti led us swiftly along hidden paths through the dense forest. We caught the Orcs from behind, and completely by surprise."
-Lucilde Fiksdotter, Leader of the Order of the White Shield

Traitor's Clutch

Instant

Target creature gets +1/+0, becomes black, and gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tranquil Domain

Instant

Destroy all non-Aura enchantments.

"An ancient court mage unified the houses into guilds to serve Zhalfir above their own interests. Even during the civil war, the guilds stood together, a testament to the wisdom of Teferi."
-Afari, Tales

Transmutation

Instant

Switch target creature's power and toughness until end of turn.

"You know what I was,/ You see what I am: change me, change me!"
-Randall

Trap Essence

Instant

Counter target creature spell. Put two +1/+1 counters on up to one target creature.

"Meat sustains the body. The spirit requires different sustenance."
-Arel the Whisperer

Trapmaker's Snare

Instant

Search your library for a Trap card, reveal it, and put it into your hand. Then shuffle your library.

"Trapmaking is an art. The trap is a corporeal riddle, a battle of wits between its creator and whatever it lures inside."

Traumatic Visions

Instant

Counter target spell.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, and put it into your hand. Then shuffle your library.)

Treacherous Urge

Instant

Target opponent reveals his or her hand. You may put a creature card from it onto the battlefield under your control. That creature gains haste. Sacrifice it at the beginning of the next end step.

Tread Upon

Instant

Target creature gets +2/+2 and gains trample until end of turn.

"Boasting impenetrable defenses only draws the most tenacious of attackers."
-Yikaro, Atarka warrior

Treva's Charm

Instant

Choose one - Destroy target enchantment; or exile target attacking creature; or draw a card, then discard a card.

Trial (Trial/Error)

Instant

Return all creatures blocking or blocked by target creature to their owner's hand.

Tribal Unity

Instant

Creatures of the creature type of your choice get +X/+X until end of turn.

Kamahl left the violence of his former life behind him, but he still believes in the power of muscle.

Tribute to Hunger

Instant

Target opponent sacrifices a creature. You gain life equal to that creature's toughness.

Marella was delighted. The ball had attracted so many suitors for her daughter, including that handsome stranger. She wondered where the two were now . . . .

Tribute to the Wild

Instant

Each opponent sacrifices an artifact or enchantment.

"You may enter, but leave those lifeless things of your world behind."
-Modruni, maro-sorcerer

Trickbind

Instant

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn. (Mana abilities can't be targeted.)

Trickery Charm

Instant

Choose one - Target creature gains flying until end of turn; or target creature becomes the creature type of your choice until end of turn; or look at the top four cards of your library, then put them back in any order.

Triton Tactics

Instant

Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step.

Trostani's Judgment

Instant

Exile target creature, then populate. (Put a token onto the battlefield that's a copy of a creature token you control.)

"Some cannot be saved as they are, but all can serve the Worldsoul."
-Trostani

Truce

Instant

Each player may draw up to two cards. For each card less than two a player draws this way, that player gains 2 life.

Not all victories require defeat.
-Onean idiom

Trumpet Blast

Instant

Attacking creatures get +2/+0 until end of turn.

Keldon warriors don't need signals to tell them when to attack. They need signals to tell them when to stop.

Truth or Tale

Instant

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put a card from the chosen pile into your hand, then put all other cards revealed this way on the bottom of your library in any order.

Tsabo's Decree

Instant

Choose a creature type. Target player reveals his or her hand and discards all creature cards of that type. Then destroy all creatures of that type that player controls. They can't be regenerated.

Tunnel

Instant

Destroy target Wall. It can't be regenerated.

Turf Wound

Instant

Target player can't play land cards this turn.

Draw a card.

"I can't imagine how anyone lives in Shiv, let alone why they choose to stay."
-Sisay

Turn (Turn/Burn)

Instant

Target creature loses all abilities and becomes a 0/1 red Weird until end of turn.

Fuse (You may cast one or both halves of this card from your hand.)

Turn Against

Instant

Devoid (This card has no color.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

"No, don't! Nal, it's me-"

Turn Aside

Instant

Counter target spell that targets a permanent you control.

"It's not my job to ask our leaders about their experiments at the Knowledge Pool. It's my job to make sure they can continue performing them."