msem-instigator

Whenever you cast a noncreature spell, torment each opponent. (They lose 3 life unless they discard a card or sacrifice a nonland permanent.)
{3}{U/B}{U/B}: Draw a card for each opponent with ten or more cards in their graveyard. You lose that much life.

Flash
Flying
Sacrifice Vengeful Messenger: Counter target noncreature spell unless its controller pays {2}.

Whenever Verdant Curtain Caretaker enters or attacks, proliferate. (Choose any number of permanents and/or players with counters on them, then give each another counter of each kind already there.)

Auditioning for a color causes you to create a 1/1 colorless Construct Actor creature token, then create one of the audition's Role tokens.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
{2}{G}: Reveal the top three cards of your library. You may put a creature card from among them on top. If you're in a renaissance, put it into your hand instead. Put the rest on the bottom of in any order.

{4}{G}, Discard a card: Reveal cards from the top of your library until you reveal a nonland permanent card. Put that card onto the battlefield and the rest into your graveyard.

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.)

Menace

Flying
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Flying, protection from Dragons

Winnow (Damage dealt to this creature also causes you to lose that much life.)
Whenever Vicious Slasher attacks, target creature gains winnow until end of turn.

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.

Alpha (You may have this creature enter with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)
Vigilance

When Vile Progenitor enters, create a 3/2 colorless Horror creature token.
As long as you control five or more lands, Horrors you control get +1/+1 and have trample.
Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

When Vile Weavers enters, if you control an enchantment, target player loses 3 life.

As long as Vinehorn Stag has a +1/+1 counter on it, it can't be blocked by more than one creature.

When Viork Woods Butcher enters, if you control another Warrior, target opponent loses 2 life.

Menace
Whenever a player gains life, that player sacrifices a permanent.

Trample
Whenever you cast a noncreature spell, put a +1/+1 counter on Virtuorangutan.

Lifelink
Vitality of Blossoms has indestructible as long as your life total is greater than your starting life total.

Whenever you cast your second spell each turn, create a 1/1 blue Jellyfish Spirit creature token with flying.

Poisonous 2 (Whenever this creature deals combat damage to a player, that player gets two poison counters.)
{2}{B}: Choose a counter on target permanent or player. Give that permanent or player another counter of that kind.

At the beginning of your end step, if you gained life this turn, you gain 2 life.
Pay 3 life: Target attacking creature gains indestructible until end of turn.