msem-instigator

Create a 1/1 white Citizen creature token. If you control a different permanent of each of three colors, create three of those tokens instead. Whenever a land you control enters this turn, repeat that process.

You gain 3 life. Whenever one or more creatures enter this turn, repeat that process.

Shuffle your library, then exile the top two cards. Until end of turn, you may play one of those cards. Whenever you play a card exiled with Goddess' Whimsy this turn that doesn't share a card type with another card played this way, repeat that process.

Whenever you cast a spell you don't own, you may pay {1}{U}. If you do, put target nonland permanent on top of its owner's library.
{2}{B}: Exile the top card of target opponent's library face down. You may look at and cast that card for as long as it remains exiled, and you may spend mana as though it were mana of any type to cast that spell.

When Godseeker Vanguard enters, create two 1/1 green Scout creature tokens.

At the beginning of your upkeep, you may discard a card. If you do, draw a card.
{T}: You may put a creature card from your hand onto the battlefield. If you do, put a +1/+1 counter on that creature.

When Godwatcher enters, search any player's library for a creature card, exile it, then they shuffle their library.
When Godwatcher dies, put the exiled card onto the battlefield under your control.

When Gold Farmer enters, create a Treasure token.

Concord — When Gold Pelt Responders enters, if there are four or more card types among permanents you control, you may exile target nonland permanent an opponent controls with mana value 4 or less until Gold Pelt Responders leaves the battlefield.

This spell costs {1} less to cast for each permanent you control that's a Dragon or a Hound.
Flying, haste
Whenever Gold Retriever attacks, abound. (You may cast a nonland card that costs less than this from your hand without paying its mana cost.)

At the beginning of your upkeep, create a Treasure token. Then if you control fifteen or more artifacts, creatures, and/or enchantments, you win the game. (Treasure tokens are artifacts with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Put a +1/+1 counter on each creature you control. Repeat this process if you control a Soldier. Repeat this process again if you control a Knight.

Golden Company Valiant can block any number of creatures.
At the beginning of combat on each opponent's turn, Golden Company Valiant gets +1/+1 until end of turn for each creature that player controls.

When Golden Grizzly enters, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Tap up to two target creatures.
Permutate. (You may remove a counter from a creature you control. If you do, put two +1/+1 counters on a different creature you control.)

Whenever equipped creature attacks or blocks, add {W}{U}{B}{R}{G}.
Equip {1}

Enchant creature
Enchanted creature has lifelink and gets +1/+1 for each color among permanents you control and cards in your graveyard.

When Goldengrain Alseid enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.

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

When Goldhill Guardian enters, choose a creature type.
Goldhill Guardian has protection from creatures of the chosen type. (It can't be blocked, targeted or dealt damage by creatures of the chosen type.)

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
Whenever Goldtooth Slasher attacks, you may sacrifice an artifact or creature. If you do, Goldtooth Slasher gets +2/+0 and gains lifelink until end of turn.

Spells you cast with mana value 4 or greater cost {1} less to cast.

Trample
Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on Golna's Heart.

When Golna, the First Shah enters, create Shir, a legendary 3/3 white Cat creature token with trample.
Monument {5}{G}{G} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Return target creature to its owner's hand. Another target creature gets -6/-0 until end of turn.