, Sacrifice another creature: Put a +1/+1 counter on Undercity Necrolisk. It gains menace until end of turn. Activate this ability only any time you could cast a sorcery. (It can't be blocked except by two or more creatures.)

Creatures you control gain deathtouch until end of turn. Then target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard.
Pay 4 life: Underrealm Lich gains indestructible until end of turn. Tap it.

Return target creature to its owner's hand.
Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Choose a card name. Search target opponent's graveyard, hand, and library for up to four cards with that name and exile them. That player shuffles their library, then draws a card for each card exiled from their hand this way.

Enchant land
When Urban Utopia enters the battlefield, draw a card.
Enchanted land has ": Add one mana of any color."

Whenever Vedalken Mesmerist attacks, target creature an opponent controls gets -2/-0 until end of turn.

: Veiled Shade gets +1/+1 until end of turn.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
When Venerated Loxodon enters the battlefield, put a +1/+1 counter on each creature that convoked it.

Vigilance

Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life.

Undergrowth — When Vigorspore Wurm enters the battlefield, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.
Vigorspore Wurm can't be blocked by more than one creature.

Return up to three target multicolored cards from your graveyard to your hand. Exile Vivid Revival.

Destroy target creature. You gain life equal to its toughness. You may search your library and/or graveyard for a card named Vraska, Regal Gorgon, reveal it, and put it into your hand. If you search your library this way, shuffle it.

[+2]: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.
[−3]: Destroy target nonland permanent with converted mana cost 3 or less.
[−9]: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."

[+2]: Put a +1/+1 counter on up to one target creature. That creature gains menace until end of turn.
[−3]: Destroy target creature.
[−10]: For each creature card in your graveyard, put a +1/+1 counter on each creature you control.

Defender

: Mill a card.
, , Exile Wand of Vertebrae: Shuffle up to five target cards from your graveyard into your library.

Vigilance

Flying
When Watcher in the Mist enters the battlefield, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)