msem-instigator

{T}: Add {C}.
{T}: Add {U}, {R}, or {W}. You can't spend this mana to cast a monocolored spell.

{T}: Add {G}.
{G}, {T}: Target creature gains trample until end of turn.

When Ankulith Shard enters, draw a card.
{1}, {T}: Add one mana of any color.

Anran's Realm enters tapped.
{T}: Add {R} or {G}.
{R}{G}, {T}: Create a Function token with “This spell can't be countered.” Activate only if you control a creature with power 4 or greater. (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.)

Equipped creature gets +1/+0 and has “{T}: This creature deals 1 damage to target player or planeswalker.”
Equip {2}

Each land is an Island in addition to its other land types.

Draw three cards. You gain 3 life. Apex deals 3 damage to any target.

Sacrifice a creature. Draw cards equal to its power and gain life equal to its toughness. (Then exile this card. You may cast the creature later from exile.)

When Appropriated Gear enters, create a Treasure token.
Equipped creature gets +1/+1.
Equip {2}

As Aquatic Refuge enters, you may tap an untapped creature you control. If you don't, Aquatic Refuge enters tapped.
{T}: Add {W} or {U}.

As long as Arboreal Runes is on the battlefield or in your graveyard, it's a Forest land in addition to its other types.
{T}: Add one mana of any color.

Activated abilities of artifacts cost {2} more to activate.

Arcane Oasis enters tapped unless you control another Desert.
{T}: Add {U} or {R}.

Arcane Sanctum enters tapped.
{T}: Add {W}, {U}, or {B}.

Harmony — Attach Arcane Saxophone to target creature.
When Arcane Saxophone enters, harmonize. (Trigger up to one harmony of one permanent you control.)
Equipped creature gets +2/+2.
Equip {4}

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

You have no maximum hand size.
{T}: Add {C}.
{1}, {T}: Add one mana of any color.

{T}: Add {C}.
{2}, {T}, Sacrifice Arcor Diamond: Draw a card.

({T}: Add {W} or {B}.)
Whenever Arctic Mine becomes tapped, you lose 1 life unless you control two or more basic lands.

Arid Causeway enters tapped unless you control another Desert.
{T}: Add {R} or {W}.

Aristocrat's Gallery enters tapped.
When Aristocrat's Gallery enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {G} or {U}.

At the beginning of your end step, you may put a progress counter on Armored Transports.
[PROGRESS 1-2] Creatures you control get +0/+1.
[PROGRESS 3+] Creatures you control get +0/+1 and have vigilance.

{T}: Add {C}.
Harmony — Add one mana of any color.
{1}, {T}: Harmonize. (Trigger up to one harmony of one permanent you control.)

At the beginning of each upkeep, if an opponent controls more creatures than you, create a 1/1 colorless Thopter artifact creature token with flying.

{T}: Draw a card. Artisan's Fountain doesn't untap during its controller's next untap step.