msem-instigator

Goblin Exploration Team gets +1/+0 for each non-Mountain land you control.

Whenever Goblin Raidleader attacks, create a 1/1 red Goblin creature token that's tapped and attacking.
{1}{R}: Other Goblins you control get +1/+0 until end of turn.

When Goblin Rocktosser enters, you may sacrifice a land. If you do, put a +1/+1 counter on Goblin Rocktosser.

When Goblin Sniper dies, you may pay {R}. If you do, it deals 2 damage to target opponent or planeswalker.

First strike (This creature deals combat damage before creatures without first strike.)

Whenever you cast an instant or sorcery spell, target creature can't block this turn.

{T}: Target creature with power 2 or less can't be blocked this turn.

When Goblin Twinblades enters, create a 1/1 red Goblin creature token.

Haste
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Whenever Goblin War Chariot becomes crewed, untap each creature that crewed it with mana value 1 or less. This ability triggers only once each turn.
Crew 3

Target creature gets +2/+2 until end of turn. You gain 2 life.

Each opponent sacrifices a creature. Whenever one or more players lose life this turn, repeat that process.

Give any number of permanents and/or players with counters on them another counter of each kind already there. Whenever you cast a spell this turn, repeat that process.

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.