msem-instigator

Whenever one or more creatures you control deal damage to a player, put a charge counter on Lake of Rage.
{T}: Add {C}.
{T}, Remove a charge counter from Lake of Rage: Add one mana of any color.

Ice Path enters tapped.
As Ice Path enters, choose a color.
You may spend {C} as though it were mana of the chosen color.
{T}: Add {C}.

When Healing Center enters, you gain 2 life.
{T}: Add {C}.

{T}: Add {C}.
{T}: Choose a color from among permanents you control. Add one mana of that color.

{T}: Add {C}. Exile a card from your graveyard.
{3}: Until end of turn, Forgotten Temple becomes an X/X creature, where X is the number of cards exiled by it. It's still a land.
As long as a creature card with flying is exiled by Forgotten Temple, it has flying. The same is true for first strike, double strike, deathtouch, experience, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

{T}: Add {C}.
{1}, {T}, Sacrifice Chikyu League Arena: Put a +1/+1 counter on target creature. Activate only as a sorcery.

Haste
Whenever Arisen Hunter attacks, target player loses 2 life and you gain 2 life.
If Arisen Hunter would die, exile it instead.

{2}, Sacrifice Wicked Fossil: Target player loses 2 life and you gain 2 life.
{2}{B}{B}: Return Wicked Fossil from your graveyard to the battlefield transformed. Activate only during your turn.

Trample
Whenever Arisen Tyrant attacks, mill three cards, then you may exile a card from your graveyard. You may cast a copy of the exiled card without paying its mana cost if the spell's mana value is 3 or less.
If Arisen Tyrant would die, exile it instead.

{3}, Sacrifice Titanic Fossil: Mill three cards, then you may exile a card from your graveyard. You may cast a copy of the exiled card without paying its mana cost if the spell's mana value is 3 or less. Activate only as a sorcery.
{3}{U}{B}: Return Titanic Fossil from your graveyard to the battlefield transformed. Activate only during your turn.

Equipped creature gets +2/+0.
Equipped creature has first strike as long as it's attacking.
Equip {2}

{2}, {T}, Sacrifice Old Map: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Equipped creature gets +0/+4.
Equip {2}

This spell costs {1} less to cast for each differently named creature you control.
Whenever a creature you control enters, if it has a different name than each other creature you control and card in your graveyard, draw a card.

If a triggered ability of equipped creature would trigger, it triggers an additional time.
Equip {2}

Equipped creature gets +1/+1.
{1}: Equipped creature gains indestructible until end of turn. Sacrifice Focus Sash.
Equip {1}

Vanguard — Whenever a creature you control attacks alone, you may put a charge counter on Expert Belt and attach it to that creature.
Equipped creature has hexproof.
Equipped creature gets +1/+0 for each charge counter on Expert Belt.
Equip {2}

The first spell you cast each turn costs {1} less to cast.

Whenever Arisen Helix attacks, scry 2.
If Arisen Helix would die, exile it instead.

{1}, Sacrifice Curious Fossil: Scry 2.
{2}{U}: Return Curious Fossil from your graveyard to the battlefield transformed. Activate only during your turn.

Combined Generator can't be blocked except by three or more creatures.

Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)
When Cheerful Generator has three or more +1/+1 counters on it, remove them all and transform it.

Whenever one or more creatures you control deal combat damage to a player, put a charge counter on Amulet Coin.
{T}: Add {C} for each charge counter on Amulet Coin.

Flying, vigilance
When Warden of Seas enters, tap all other creatures.
Each opponent can't untap more than one nonland permanent during each of their untap steps.

Hexproof
Whenever Twinning Psionic harnesses an instant or sorcery spell, you may copy that spell. If you do, you may choose new targets for the copy.