msem-instigator

{2}, {T}, Sacrifice Vial of Dragonfire: It deals 2 damage to target creature.

Vial of Ice enters tapped.
{1}, {T}, Sacrifice Vial of Ice: Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

When Viashino Glutton enters, you may have it consume. If you do, create two 1/1 red Goblin creature tokens. (To consume, sacrifice another creature or exile a creature card from your graveyard.)

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.)

As an additional cost to cast this spell, exile a multicolored card from your graveyard or pay {2}.
Vibrant Flames deals 3 damage to any target.

{T}, Sacrifice Vibrant Rainforest: Search your library for a Mountain or Forest card and put it onto the battlefield tapped, then shuffle.

You may play Vibrant Sandbar from your graveyard as long as seven or more cards are in your graveyard.
Vibrant Sandbar enters tapped.
{T}: Add {R} or {G}.
Cycling {1}{R}{G} ({1}{R}{G}, Discard this card: Draw a card.)

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.

As an additional cost to cast this spell, you may pay {1}{R}.
Put a double strike counter on target creature you control.
If this spell's additional cost was paid, untap each creature you control that attacked this turn instead. After this main phase, there is an additional combat phase followed by an additional main phase.

Choose one —
• Destroy target artifact or enchantment with mana value 3 or less.
• You gain 3 life. Draw a card.

{T}: Add {C}.
{T}: Add one mana of any color. Activate only if you control a creature with a +1/+1 counter on it.

Flying, haste
Whenever Vidal's Conjurant attacks, reveal the top six cards of your library. You may put an enchantment card with mana value 3 or less from among them onto the battlefield. If you do, sacrifice that enchantment at the beginning of the next end step. Put the rest on the bottom of your library in a random order.

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.

Equipped creature gets +1/+3.
Whenever another creature blocks or becomes blocked by equipped creature, that creature loses all abilities until end of turn.
Equip {3}

Exile the top two cards of your library and put a blood counter on each of them. Until the end of your next turn, you may play cards you own in exile with blood counters on them.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Vigorbreath Scourge enters with X +1/+1 counters on it.
Whenever Vigorbreath Scourge attacks, it gets +X/+X until end of turn, where X is your devotion to green. Then if its power is 6 or greater, draw a card. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

Whenever you attack, create an X/X red Elemental creature token that's tapped and attacking, where X is the number of attacking creatures.
Fleeting {1}{R} (You may cast this spell for its fleeting cost. If you do, sacrifice it at the beginning of the next end step.)

{2}{G}, {T}: Another target creature you control gets +2/+2 until end of turn.

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

Kicker {1}{G} (You may pay an additional {1}{G} as you cast this spell.)
When Vigorous Tracker enters, if it was kicked, search your library for a land card, reveal it, put it into your hand, then shuffle.

When Viking Greataxe enters, attach it to target creature you control.
Equipped creature gets +2/+1.
Equip {3}

Dominance — When Viking Packleader enters, create a 2/2 green Wolf creature token if you control the creature with the greatest power or tied for the greatest power.

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 Village Courier enters, look at the top four cards of your library. You may reveal an artifact, enchantment, or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Rhapsody {3}{R}{R} (Pay {3}{R}{R} to cast this as a 4/4, or as a sorcery to make it become a 4/4.)
Whenever Vindictive Guardian or another creature you control enters, if that creature's power is 4 or greater, create a Treasure token.