msem-instigator

Unzari Ruins enters tapped.
{T}: Add {C}.
Tap five untapped creatures you control: Unzari Ruins becomes a 10/10 Construct artifact creature with trample until end of turn. It's still a land.

You may have Urushi, the Ripple in the Smoke enter as a copy of any creature on the battlefield, except it's an enchantment. (It's not a creature.)

Valley Falls enters tapped unless you control two or more white and/or blue permanents.
{T}: Add {W} or {U}.

Choose one—
• Prevent all damage that would be dealt by creatures without flying this turn.
• Prevent all damage that would be dealt by creatures with flying this turn.

Target creature gains lifelink until end of turn. (Damage dealt by that creature also causes you to gain that much life.)

Exile target nonland permanent. Return that card to the battlefield under its owner's control at the beginning of that player's next end step.

Whenever a creature you control dies, Vengeant Souls deals 1 damage to any target.

Creatures you control gain deathtouch until end of turn.

Verdant Sanctum enters tapped unless you control two or more green and/or white permanents.
{T}: Add {G} or {W}.

Remove a +1/+1 counter from a creature you control: Regenerate Verendas Brawler. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

When Verendas Spiritwalker enters, you may put a +1/+1 counter on target creature.

Haste
When Vidal enters, reveal cards from the top of your library until you reveal an enchantment card with mana value 3 or less. Put that card onto the battlefield and the rest on the bottom of your library in a random order. Sacrifice that enchantment at the beginning of the next end step.

Whenever one or more creatures die for the first time each turn, you draw a card and you lose 1 life.
Whenever you cast a black noncreature spell, Villainy deals 2 damage to any target and you gain 2 life.

You gain twice X life.
Kindle X—{X}{G}{G} ({X}{G}{G}, Exile this card from your graveyard: Create X 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

When Voiceless Assailant enters, you may search your library for up to three cards named Voiceless Assailant, reveal them, put them into your hand, then shuffle.

{1}{B}, Sacrifice another creature: Put a +1/+1 counter on Voracious Ghoul.

Flying
Wailing Soul has hexproof as long as it's not attacking or blocking.

Whenever Waketide Serpent attacks, you may pay {2}{U}. If you do, tap target creature. It doesn't untap during its controller's next untap step.

Whenever Wanderer of Oblivion enters or attacks, exile target card from a graveyard.
You may play cards exiled with Wanderer of Oblivion.

Exile all Inscription cards from your graveyard and all exiled Inscription cards you own. For each card exiled this way, you may inscribe it onto a creature you control. (Whenever that creature attacks, its controller may cast a copy of the inscribed card without paying its mana cost.)

{T}: Untap target basic land.

When Weathered Pilgrim enters, return target card from your graveyard to your hand.

Whenever you attack or block with one or more other creatures, Wehre-District Patrollers gets +1/+0 and gains first strike until end of turn.

At the beginning of your upkeep, you may pay {G}. If you do, you may put a +1/+1 counter on target creature you control and you gain 2 life.

Draw two cards, then discard two cards. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)