msem-instigator

({T}: Add {R}.)
Wanderlust — Otherworldly Mountain enters the battlefield tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {W}.)
Wanderlust — Otherworldly Plains enters the battlefield tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

({T}: Add {B}.)
Wanderlust — Otherworldly Swamp enters the battlefield tapped unless you control four or more other differently named lands.
{1}, {T}: Add one mana of any color.

Vigilance, lifelink

Overgrown Ruins enters the battlefield tapped.
As Overgrown Ruins enters the battlefield, choose a color other than green.
{T}: Add {G} or one mana of the chosen color.

Improve {G} ({G}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
When Pack Huntress enters the battlefield, create a 2/2 green Wolf creature token.

Prevent all combat damage that would be dealt to attacking creatures you control.

Each instant and sorcery card you own has inscribe. The inscribe cost is equal to its mana cost. (Exile that spell card inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

{T}, Sacrifice Palace of Reflections: Choose a land you control. Search your library for a land card with the same name as the chosen land, put it onto the battlefield tapped, then shuffle.

Once during each of your turns, you may cast a legendary creature or planeswalker spell from your graveyard.
Sacrifice Pallid Herald: Exile up to three target cards from graveyards.

Flash
If a nontoken creature you don't control would enter the battlefield and it wasn't cast, exile it instead.
When Paragon of Honor leaves the battlefield, return each card exiled with it to the battlefield under their owner's control.

Exile the top card of your library, a card from your hand and a card from your graveyard. Put one of the exiled cards on top of your library, one into your hand, and the other into your graveyard.

When target creature or planeswalker dies this turn, return that card to the battlefield under your control. Destroy that permanent.

Look at the top three cards of your library, then put them back in any order. If you've cast a spell named Whisper of the Winds this turn, draw a card.
Inscribe {2}{U} ({2}{U}: Exile this card from your hand inscribed on a creature you control. Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost. Inscribe only as a sorcery.)

Whenever you create one or more tokens, scry 1.
{3}{U}, Sacrifice Pathshaper Mage: Aetherize target creature you control. Activate only as a sorcery. (To aetherize, create a token that's a copy of it, then exile that token.)

At the beginning of your declare attackers step, create a 0/1 white Cat creature token that's tapped and attacking. Exile that token at the beginning of the next end step.

Look at the top four cards of your library. Put two of them into your hand and the rest on the bottom of your library in a random order. Create a tapped Treasure token.

{T}: Add {C}.
{1}, {T}, Sacrifice Perilous Passage: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Deathtouch
When Pestilent Scavenger enters the battlefield, you may mill three cards.

Deathtouch, lifelink
Improve {1}{W/B} ({1}{W/B}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
{4}: Target creature gains deathtouch and lifelink until end of turn. Activate only during a player's precombat main phase.

Deathtouch
Whenever Phantasmal Stalker deals damage to a planeswalker, destroy it.

Tap target creature. Prevent all combat damage that creature would deal this turn. It doesn't untap during its controller's next untap step.

When Phasmopillar enters the battlefield, search your library for a creature card with mana value 5 or greater, reveal it, put it into your hand, then shuffle. If a creature card with mana value 9 or greater was revealed this way, put two +1/+1 counters on Phasmopillar.

Choose one —
• Counter target spell unless its controller pays {X}.
• Counter target spell with mana value X.

{T}: Add {C}.
{T}, Pay 1 life: Add one mana of any color.