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

When this Case enters the battlefield, create a 2/1 black Skeleton creature token and suspect it. (It has menace and can't block.)

To solve -- You control no suspected Skeletons. (If unsolved, solve at the beginning of your end step.)

Solved -- {1}{B}, Sacrifice this Case: Search your library for a card, put it into your hand, then shuffle. Activate only as a sorcery.

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

Sacrifice Commander's Sphere: Draw a card.

Enchant player

Whenever enchanted player draws a card, they lose 2 life and you gain 2 life.

Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flying, double strike, lifelink

Whenever you gain life, draw a card.

Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays {X}, where X is Esper Sentinel's power.

Whenever an opponent draws a card, Fate Unraveler deals 1 damage to that player.

Whenever an opponent casts a spell, that player draws seven cards.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

{W}{U}, {T}: Put a bribery counter on target creature you don't control. Its controller draws a card.

Creatures with bribery counters on them can't attack or block.

({T}: Add {U}.)

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.

First strike

When Knight of the White Orchid enters the battlefield, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Hexproof

You can't lose the game.

Whenever you gain life, draw that many cards.

Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.

When Lich's Mastery leaves the battlefield, you lose the game.

Lifelink

Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card.

Whenever an opponent casts their second spell each turn, draw a card.

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

Whenever an opponent draws a card, Ob Nixilis, the Hate-Twisted deals 1 damage to that player.

-2: Destroy target creature. Its controller draws two cards.

Flash

When Orcish Bowmasters enters the battlefield and whenever an opponent draws a card except the first one they draw in each of their draw steps, Orcish Bowmasters deals 1 damage to any target. Then amass Orcs 1.

({T}: Add {W}.)

Suspend 2--{1}{B} (Rather than cast this card from your hand, pay {1}{B} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Search your library for a card, put that card into your hand, then shuffle.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Whenever you draw a card, target opponent loses 1 life and you gain 1 life.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Whenever Saltwater Stalwart deals damage to an opponent, target player draws a card.

At the beginning of each player's upkeep, that player loses 2 life and draws two cards.

Deathtouch

Whenever you draw a card, you gain 2 life.

Whenever an opponent draws a card, they lose 2 life.

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add {C}{C}.

Suspend 3--{1} (Rather than cast this card from your hand, pay {1} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Add {C}{C}.

({T}: Add {B}.)

Flying

If a source would deal damage to Swans of Bryn Argoll, prevent that damage. The source's controller draws cards equal to the damage prevented this way.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {B}. Talisman of Hierarchy deals 1 damage to you.

{T}: Add {C}.

{T}: Add {W} or {U}. Talisman of Progress deals 1 damage to you.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add {C}{C}{C}.

Whenever an opponent draws a card, Underworld Dreams deals 1 damage to that player.

When Wedding Ring enters the battlefield, if it was cast, target opponent creates a token that's a copy of it.

Whenever an opponent who controls an artifact named Wedding Ring draws a card during their turn, you draw a card.

Whenever an opponent who controls an artifact named Wedding Ring gains life during their turn, you gain that much life.