Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."

Whenever you attack, up to one target attacking creature can't be blocked this turn. Return that creature to its owner's hand at the beginning of the next end step.

Choose a Background (You can have a Background as a second commander.)

Other Rogues you control get +1/+1.

Whenever one or more Rogues you control deal combat damage to a player, that player mills a card for each 1 damage dealt to them. If the player mills at least one creature card this way, you draw a card. (To mill a card, a player puts the top card of their library into their graveyard.)

Whenever Audacious Thief attacks, you draw a card and you lose 1 life.

Flying

When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)

Whenever Bala Ged Thief or another Ally enters the battlefield under your control, target player reveals a number of cards from their hand equal to the number of Allies you control. You choose one of them. That player discards that card.

For each opponent, gain control of target permanent that player controls.

Haste

{1}, {T}: Add {U}{B}{R}. Spend this mana only to cast instant and/or sorcery spells.

When Cormela, Glamour Thief dies, return up to one target instant or sorcery card from your graveyard to your hand.

Inspired -- Whenever Daring Thief becomes untapped, you may exchange control of target nonland permanent you control and target permanent an opponent controls that shares a card type with it.

When Draugr Thought-Thief enters the battlefield, look at the top card of target player's library. You may put that card into their graveyard.

Flying

When Dream Thief enters the battlefield, draw a card if you've cast another blue spell this turn.

Prowl {3}{U} (You may cast this spell for its prowl cost if you dealt combat damage to a player this turn with a Sphinx or Rogue.)

Flying

When Enigma Thief enters the battlefield, for each opponent, return up to one target nonland permanent that player controls to its owner's hand.

Damage that would reduce your life total to less than 1 reduces it to 1 instead.

Morph {R}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever Grimoire Thief becomes tapped, exile the top three cards of target opponent's library face down.

You may look at cards exiled with Grimoire Thief.

{U}, Sacrifice Grimoire Thief: Turn all cards exiled with Grimoire Thief face up. Counter all spells with those names.

Whenever Guild Thief deals combat damage to a player, put a +1/+1 counter on it.

Cunning Action -- {3}{U}: Guild Thief can't be blocked this turn.

Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.

Flying

When Ingenious Thief enters the battlefield, look at target player's hand.

Devour Intellect -- When Intellect Devourer enters the battlefield, each opponent exiles a card from their hand until Intellect Devourer leaves the battlefield.

Body Thief -- You may play lands and cast spells from among cards exiled with Intellect Devourer. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever Jhessian Thief deals combat damage to a player, draw a card.

When Master Thief enters the battlefield, gain control of target artifact for as long as you control Master Thief.

Equipped creature has shroud. (It can't be the target of spells or abilities.)

{U}{U}: Attach Neurok Stealthsuit to target creature you control.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever one or more Ninja or Rogue creatures you control deal combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Flash

Flying

Whenever an artifact creature you control deals combat damage to a player, draw a card.

{U}: Rootwater Thief gains flying until end of turn.

Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search that player's library for a card and exile it, then the player shuffles.

Whenever Scroll Thief deals combat damage to a player, draw a card.

Flash (You may cast this spell any time you could cast an instant.)

Whenever Shielded Aether Thief blocks, you get {E} (an energy counter).

{T}, Pay {E}{E}{E}: Draw a card.

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.

Flash

Flying

As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.

Whenever one or more Rogues you control attack, each opponent mills two cards.

Enchant artifact

You control enchanted artifact.

Enchant enchantment

You control enchanted enchantment.

Whenever Stealer of Secrets deals combat damage to a player, draw a card.

Put two +1/+1 counters on target creature you control. That creature can't be blocked this turn.

At the beginning of your end step, if an opponent lost life this turn, put a +1/+1 counter on target Vampire you control.

Temple Thief can't be blocked by enchanted creatures or enchantment creatures.

Flying

As Thief of Blood enters the battlefield, remove all counters from all permanents. Thief of Blood enters the battlefield with a +1/+1 counter on it for each counter removed this way.

Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life.

Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.)

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 it.

Exile all nontoken permanents. Starting with you, each player chooses one of the exiled cards and puts it onto the battlefield tapped under their control. Repeat this process until all cards exiled this way have been chosen.

Prowl {U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.)

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flash

Whenever Thieves' Guild Enforcer or another Rogue enters the battlefield under your control, each opponent mills two cards.

As long as an opponent has eight or more cards in their graveyard, Thieves' Guild Enforcer gets +2/+1 and has deathtouch.

When Thieves' Tools enters the battlefield, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Equipped creature can't be blocked as long as its power is 3 or less.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

At the beginning of each opponent's upkeep, you manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Whenever a creature you control but don't own dies, its owner loses 2 life and you gain 2 life.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Thieving Magpie deals damage to an opponent, draw a card.

Whenever Thieving Otter deals damage to an opponent, draw a card.

Kicker {X}. X can't be 0. (You may pay an additional {X} as you cast this spell.)

Flying

When Thieving Skydiver enters the battlefield, if it was kicked, gain control of target artifact with mana value X or less. If that artifact is an Equipment, attach it to Thieving Skydiver.

Flying

When Thieving Sprite enters the battlefield, target player reveals X cards from their hand, where X is the number of Faeries you control. You choose one of those cards. That player discards that card.

At the beginning of each end step, if an opponent discarded a card this turn, you draw a card and you lose 1 life.

{4}{B}{B}: Each opponent with no cards in hand loses 10 life.

{2}, {T}, Sacrifice an artifact or creature: Exile the top card of your library. Until the end of your next turn, you may play that card.

Enchant creature

Enchanted creature gets +2/+2.

Enchanted creature can't be blocked as long as you control a Gate.

Choose one --

• Threaten the Merchant -- Each creature blocks this turn if able.

• Bribe the Guards -- You create a Treasure token for each opponent who was dealt damage this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

This spell costs {1} less to cast for each creature in your party.

Flying, deathtouch, haste

Other creatures you control have deathtouch.

Whenever a creature you control deals combat damage to a planeswalker, destroy that planeswalker.