msem-instigator

Vivid Creek enters tapped with two charge counters on it.
{T}: Add {U}.
{T}, Remove a charge counter from Vivid Creek: Add one mana of any color.

Prowess
When Adept of Signals enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
Tokens you control have “{2}, {T}: Sacrifice this token: Draw a card.”

{1}{W}, {T}: Put a +1/+1 counter on target creature without a +1/+1 counter. Activate only as a sorcery.

When AOSE Extractor enters, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)

({T}: Add {U} or {R}.)
Whenever Crystal Cavern becomes tapped, you lose 1 life unless you control two or more basic lands.

You don't lose the game for drawing from an empty library.
As long as you have seven or fewer cards in each of your libraries, you may cast spells without paying their mana costs.

Ganzorig's Domain enters tapped.
When Ganzorig's Domain enters, you may mill two cards.
{T}: Add {R} or {G}.

When Far-Realm Guardian enters, create a green Aura enchantment token named Wild Bounty attached to target creature. The token has enchant creature and “Enchanted creature gets +1/+1 and has ward {2}.”

({T}: Add {B} or {G}.)
Shuddering Node enters tapped.
{1}, {T}: Add {B}{B} or {G}{G}.

Lionize {1}{W} ({1}{W}, Exile this card from your hand: Put a +1/+1 counter on target creature and it gains the following abilities until end of turn. You may cast this card on a later turn from exile.)
Flying
Other creatures you control get +1/+1.

Choose one —
• Return target artifact or enchantment card from your graveyard to your hand.
• Return target creature card with mana value 2 or less from your graveyard to your hand.
Cycling {2} ({2}, Discard this card: Draw a card.)

Exile up to one target artifact or enchantment.
Coalesce {5}{G} (You may cast this from your graveyard for {5}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Equipped creature has “Whenever this creature attacks, untap each other creature you control.”
Equip {3}

Creatures you control enter with a +1/+1 counter on them if you spend three or more colors of mana to cast them.

Exile the top card of your library and up to one target permanent card from your graveyard. You may play cards exiled this way until the end of your next turn.
You may play an additional land this turn.

{T}: Add {C}.
{5}, {T}: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

{B}{R}, Sacrifice a creature: Create a token that's a copy of Forlorn Companion, except it has no mana cost.

For each legendary permanent you control, this spell costs one mana of one of that permanent's colors less to cast. This effect reduces only the amount of colored mana you pay.
For each color, create a token that's a copy of a different legendary permanent you control of that color, except the token isn't legendary.
Exile The Tale of Kings.

Whenever another nontoken creature you control enters, that creature gains haste until end of turn. Then Tremor Seer deals 1 damage to any target.

Trample
Whenever a noncreature permanent is put into a graveyard from the battlefield, put a +1/+1 counter on Ruinous Naga.

Remove all -1/-1 counters from target creature. That creature gets +3/+3 and gains trample until end of turn.

Flash
When Brutalizer Gear enters, attach it to target creature you control.
Enchanted creature gets +3/+3 and has trample.
Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)

If you would gain life this turn, you gain twice that much life instead.
Draw a card.

Flying, haste
Whenever Shimmering Dragon attacks, for each creature you control, create a tapped and attacking token that's a copy of that creature. Exile the tokens at the beginning of the end step.

{3}{G}: Seasoned Farmer gets +2/+2 until end of turn.