Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

Put a +1/+1 counter on each creature you control. They gain vigilance until end of turn. The Ring tempts you.

Tap two untapped artifacts and/or creatures you control: Put a +1/+1 counter on Adaptive Gemguard. Activate only as a sorcery.

Flying When Aerialephant enters the battlefield, you get {TK}, then you may put a sticker on a nonland permanent you own.

When Clattering Skeletons dies, venture into the dungeon. (Enter the first room or advance to the next room.)

When Inside Source enters the battlefield, create a 2/2 white and blue Detective creature token. {3}, {T}: Target Detective you control gets +2/+0 and gains vigilance until end of turn. Activate only as a sorcery.

When Ironpaw Aspirant enters the battlefield, put a +1/+1 counter on target creature.

Flying Whenever Planar Ally attacks, venture into the dungeon. (Enter the first room or advance to the next room.)

Flying {3}, {T}, Tap another untapped creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

When Robo-Piñata dies, choose one — • You get {TK}{TK}. • You may put a sticker on a nonland permanent you own.

When Stalwarts of Osgiliath enters the battlefield, the Ring tempts you. Whenever you draw your second card each turn, put a +1/+1 counter on Stalwarts of Osgiliath.

When Ticketomaton enters the battlefield, you get {TK}, then you may put a sticker on a nonland permanent you own.

When Unscrupulous Agent enters the battlefield, target opponent exiles a card from their hand.

When Uruk-hai Berserker enters the battlefield, the Ring tempts you.

When Vault Plunderer enters the battlefield, target player draws a card and loses 1 life.

Spectacle {2}{B} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) When Blade Juggler enters the battlefield, it deals 1 damage to you and you draw a card.

When First-Sphere Gargantua enters the battlefield, you draw a card and you lose 1 life. Unearth {2}{B} ({2}{B}: 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.)

Vigilance When Goliath Paladin enters the battlefield, you take the initiative.

When Palace Sentinels enters the battlefield, you become the monarch.

When Scrapwork Rager enters the battlefield, you draw a card and you lose 1 life. Unearth {3}{B} ({3}{B}: 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.)

Vigilance When Staunch Throneguard enters the battlefield, you become the monarch.

{T}: Add one mana of any color in your commander's color identity.

When Inherited Envelope enters the battlefield, the Ring tempts you. {T}: Add one mana of any color.

{1}, {T}: Add {W}{B}.

Whenever Raiders' Karve attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Return up to one target creature card from your graveyard to your hand. Venture into the dungeon. (Enter the first room or advance to the next room.)

Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Menace (This creature can't be blocked except by two or more creatures.) Whenever this creature mutates, each opponent discards a card.

When Dawnbringer Cleric enters the battlefield, choose one — • Cure Wounds — You gain 2 life. • Dispel Magic — Destroy target enchantment. • Gentle Repose — Exile target card from a graveyard.

Enchant creature When Precipitous Drop enters the battlefield, venture into the dungeon. (Enter the first room or advance to the next room.) Enchanted creature gets -2/-2. It gets -5/-5 instead as long as you've completed a dungeon.

Flying When Basilica Shepherd enters the battlefield, create two 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block." (Players dealt combat damage by them also get a poison counter.)