When Tenacious Dead dies, you may pay . If you do, return it to the battlefield tapped under its owner's control.

When Tenacious Pup enters the battlefield, you gain 1 life. When you cast your next creature spell, that creature enters the battlefield with an additional +1/+1 counter, trample counter, and vigilance counter on it.

Blitz—, Pay 2 life. (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

You may cast Tenacious Underdog from your graveyard using its blitz ability.

As an additional cost to cast this spell, sacrifice a creature.

Create X 1/1 black and green Pest creature tokens with "When this creature dies, you gain 1 life," where X is the sacrificed creature's power.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Saprolings you control get +2/+2 as long as you have the city's blessing.

: Put seven +1/+1 counters on target noncreature land you control. It becomes a 0/0 Fungus creature with haste. It's still a land.

Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.

Flying

Whenever Teneb, the Harvester deals combat damage to a player, you may pay . If you do, put target creature card from a graveyard onto the battlefield under your control.

This spell costs less to cast if you control a creature with menace.

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

, Collect evidence 2: Tenth District Hero becomes a Human Detective with base power and toughness 4/4 and gains vigilance.

, Collect evidence 4: If Tenth District Hero is a Detective, it becomes a legendary creature named Mileva, the Stalwart, it has base power and toughness 5/5, and it gains "Other creatures you control have indestructible."

Vigilance

Whenever Tenth District Veteran attacks, untap another target creature you control.

When Tenured Inkcaster enters, put a +1/+1 counter on target creature.

Whenever a creature you control with a +1/+1 counter on it attacks, each opponent loses 1 life and you gain 1 life.

Equipped creature gets +1/+1. As long as it's legendary, it gets an additional +2/+2. As long as it's red, it has trample.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Allons-y — Whenever you attack, exile cards from the top of your library until you exile a nonland card. Put three time counters on it. If it doesn't have suspend, it gains suspend.

Timey-Wimey — : Time travel three times. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter. Then do it two more times.)

Whenever Thorn Lieutenant becomes the target of a spell or ability an opponent controls, create a 1/1 green Elf Warrior creature token.

: Thorn Lieutenant gets +4/+4 until end of turn.

Enchant creature

Enchanted creature gets -6/-0 and loses flying.

When Torsten, Founder of Benalia enters, reveal the top seven cards of your library. Put any number of creature and/or land cards from among them into your hand and the rest on the bottom of your library in a random order.

When Torsten dies, create seven 1/1 white Soldier creature tokens.

Whenever Totentanz, Swarm Piper or another nontoken creature you control dies, create a 1/1 black Rat creature token with "This creature can't block."

: Target attacking Rat you control gains deathtouch until end of turn.

, Sacrifice Treva's Attendant: Add .

Valakut, the Molten Pinnacle enters tapped.

Whenever a Mountain you control enters, if you control at least five other Mountains, you may have Valakut, the Molten Pinnacle deal 3 damage to any target.

: Add .

Devoid (This card has no color.)

, Put a card an opponent owns from exile into that player's graveyard: Create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

You may play lands from your graveyard.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

You get (three energy counters), then you may pay any amount of .

Each player may exile their hand and draw a number of cards equal to the amount of paid this way. If seven or more was paid this way, you may play cards you own exiled this way until the end of your next turn.

: Wolfbitten Captive gets +2/+2 until end of turn. Activate only once each turn.

At the beginning of each upkeep, if no spells were cast last turn, transform Wolfbitten Captive.