Enchant creature

{1}, Tap an untapped creature you control: Untap enchanted creature.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Blighted Agent can't be blocked.

{1}: Add {B}.

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Enchant creature

{2}{U}: Untap enchanted creature.

Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

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

Deathcult Rogue can't be blocked except by Rogues.

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

{2}: Put a charge counter on Gemstone Array.

Remove a charge counter from Gemstone Array: Add one mana of any color.

Commander creatures you own have "Whenever this creature becomes tapped, it and other creatures you control that share a creature type with it each get +2/+0 and gain undying until end of turn." (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Inspired -- Whenever King Macar, the Gold-Cursed becomes untapped, you may exile target creature. If you do, create a Gold token. (It's an artifact with "Sacrifice this artifact: Add one mana of any color.")

Whenever Krydle of Baldur's Gate deals combat damage to a player, that player loses 1 life and mills a card, then you gain 1 life and scry 1.

Whenever you attack, you may pay {2}. If you do, target creature can't be blocked this turn.

{T}: Add {U}.

{2}{U}: Put an hour counter on Midnight Clock.

At the beginning of each upkeep, put an hour counter on Midnight Clock.

When the twelfth hour counter is put on Midnight Clock, shuffle your hand and graveyard into your library, then draw seven cards. Exile Midnight Clock.

Changeling (This card is every creature type.)

Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Enchant creature

{T}: Tap enchanted creature.

{T}: Untap enchanted creature.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

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

{1}: Untap Staff of Domination.

{2}, {T}: You gain 1 life.

{3}, {T}: Untap target creature.

{4}, {T}: Tap target creature.

{5}, {T}: Draw a card.

Stonework Packbeast is also a Cleric, Rogue, Warrior, and Wizard.

{2}: Add one mana of any color.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

As long as equipped creature is tapped, tapped creatures you control get +2/+0.

As long as equipped creature is untapped, untapped creatures you control get +0/+2.

{3}: You may tap or untap equipped creature.

Equip {3}

{3}{U}: You may tap or untap target creature.

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.)

Equip {0}

Vigilance

{T}: Add an amount of {C} equal to Vhal, Candlekeep Researcher's toughness. This mana can't be spent to cast spells from your hand.

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