Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)

At the beginning of each end step, if you gained 4 or more life this turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, Sacrifice an artifact: Put a +1/+1 counter on Syndicate Trafficker. It gains indestructible until end of turn.

Haste

Whenever Synth Eradicator attacks, exile the top card of your library. You may get (two energy counters). If you don't, you may play that card this turn.

, Pay : Synth Eradicator deals 3 damage to any target.

(o can be paid with either or 2 life.)

, , Exile a spell you control: Target opponent reveals cards from the top of their library until they reveal a card with mana value equal to 1 plus the exiled spell's mana value. Exile that card, then that player shuffles. You may cast that exiled card without paying its mana cost.

Sliver creatures you control have lifelink. (Damage dealt by a Sliver creature you control also causes you to gain that much life.)

Syr Ginger, the Meal Ender has trample, hexproof, and haste as long as an opponent controls a planeswalker.

Whenever another artifact you control is put into a graveyard from the battlefield, put a +1/+1 counter on Syr Ginger and scry 1.

, , Sacrifice Syr Ginger: You gain life equal to its power.

Whenever you cast an enchantment spell, you gain 1 life and draw a card.

Choose one. If you control a commander as you cast this spell, you may choose both instead.

• Each opponent sacrifices a creature they control with the greatest power.

• Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

: Put an oil counter on Tablet of Compleation.

: Add . Activate only if Tablet of Compleation has two or more oil counters on it.

, : Draw a card. Activate only if Tablet of Compleation has five or more oil counters on it.

Tahngarth, First Mate can't be blocked by more than one creature.

Whenever an opponent attacks with one or more creatures, if Tahngarth is tapped, you may have that opponent gain control of Tahngarth until end of combat. If you do, choose a player or planeswalker that opponent is attacking. Tahngarth is attacking that player or planeswalker.

(: Add or .)

Skip your draw step.

At the beginning of your upkeep, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

, , Exile X cards from your graveyard: Target creature gets -X/-X until end of turn.

Investigate. You may play an additional land this turn. (Then exile this card. You may cast the creature later from exile.)

Exile the top card of your library. You may put that card into your hand unless it has the same name as another card exiled this way. Repeat this process until you put a card into your hand or you exile two cards with the same name, whichever comes first.

Flying

, : Target player discards a card unless they put a card from their hand on top of their library. If that player discards a card this way, Tainted Specter deals 1 damage to each creature and each player. Activate only as a sorcery.

Haste

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Prevent all noncombat damage that would be dealt to other creatures you control.

: Tajic, Legion's Edge gains first strike until end of turn.

Spells and abilities your opponents control can't cause you to sacrifice permanents.

Cast this spell only during an opponent's turn and only during combat.

Prevent all combat damage that would be dealt to you and planeswalkers you control this turn. Untap all attacking creatures and goad them. After this phase, there is an additional combat phase.

: Add .

Channel — , Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs less to activate for each legendary creature you control.

: Draw a card. Activate only during your turn, before attackers are declared.

Target opponent reveals the top seven cards of their library. You may cast an instant or sorcery spell from among them without paying its mana cost. Then that player puts the rest into their graveyard.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, you may cast up to two instant and/or sorcery spells from among the revealed cards instead of one.

Each player with fewer cards in hand than the player with the most cards in hand draws cards equal to the difference.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Lifelink

The Seven-fold Chant — At the beginning of your end step, if a creature died this turn, you draw a card and you lose 1 life. If seven or more creatures died this turn, instead you draw seven cards and you lose 7 life.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

Whenever a noncreature source you control deals damage, you gain that much life.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents.

+1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard.

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

Fading 4 <I>(This artifact enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)</I>

At the beginning of each player's upkeep, that player taps an untapped artifact, creature, or land they control for each fade counter on Tangle Wire.

Whenever a player casts a creature spell, that player adds .

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)

Equipped creature gets +X/+X, where X is the greatest mana value among your commanders.

Equip

Whenever Tanuki Transplanter or equipped creature attacks, add an amount of equal to its power. Until end of turn, you don't lose this mana as steps and phases end.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Devour 2 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with twice that many +1/+1 counters on it.)

When Tar Fiend enters the battlefield, target player discards a card for each creature it devoured.

Flying, vigilance

: Choose a creature card at random from target opponent's graveyard. Put that card onto the battlefield under your control.

Tarmogoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1.

: Add .

: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

, Sacrifice another artifact or creature: Draw a card. Activate only as a sorcery.

, , Discard your hand: Transform Tarrian's Journal.

Each opponent exiles cards from the top of their library until that player has exiled cards with total mana value 20 or more.

When there are no creatures on the battlefield, sacrifice Task Mage Assembly.

: Task Mage Assembly deals 1 damage to target creature. Any player may activate this ability but only as a sorcery.

Landfall — Whenever a land enters the battlefield under your control, you may get two rad counters.

: Put target land card in a graveyard that was milled this turn onto the battlefield under your control tapped.

Whenever you cast an enchantment spell, if you don't control a creature named Keimi, create Keimi, a legendary 3/3 black and green Frog creature token with "Whenever you cast an enchantment spell, each opponent loses 1 life and you gain 1 life."

: Tatsunari, Toad Rider and target Frog you control can't be blocked this turn except by creatures with flying or reach.

Goad all creatures your opponents control. Until your next turn, those creatures can't block. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Sliver creatures you control have "When this creature enters the battlefield, goad target creature an opponent controls." (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Whenever you cast a Beast or Bird creature spell, you may copy it, except the copy is an artifact in addition to its other types. (The copy becomes a token.)

Each creature you control has ": Add one mana of any of this creature's colors. Spend this mana only to activate an ability of a creature. Activate only if this creature has another activated ability."

, : Mill five cards. Put all creature cards with activated abilities that aren't mana abilities from among the milled cards into your hand.

If an opponent has more cards in hand than you, draw two cards. Draw three cards instead if an opponent has at least four more cards in hand than you.

When Technomancer enters the battlefield, mill three cards, then return any number of artifact creature cards with total mana value 6 or less from your graveyard to the battlefield.

Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one —

• Tectonic Giant deals 3 damage to each opponent.

• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Whenever a land enters the battlefield, tap all lands its controller controls.

(Transforms from Brass's Tunnel-Grinder.)

: Add .

Whenever you cast a permanent spell using mana produced by Tecutlan, the Searing Rift, discover X, where X is that spell's mana value.

Teething Wurmlet has deathtouch as long as you control three or more artifacts.

Whenever an artifact enters the battlefield under your control, you gain 1 life. If this is the first time this ability has resolved this turn, put a +1/+1 counter on Teething Wurmlet.

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

−1: Untap up to four target permanents.

−10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant."

Teferi, Temporal Archmage can be your commander.