Vigorous Soundvein enters tapped.
When Vigorous Soundvein enters, you may pay 1 life. If you do, add one mana of any color other than green.
{T}: Add {G}.

Flying, trample, haste
Vishanki Hellkite enters with a +1/+1 counter on it for each mana from an artifact source spent to cast it.

When Vision Herald enters, the first spell target opponent casts during their next turn costs an additional {1} and 1 life to cast.

Flying
At the beginning of your end step, you may exile a card you own from outside the game. Put that card into your hand unless an opponent pays {2} and 2 life.

When Vorpal Titan enters, destroy all nonbasic lands.

You may cast target instant or sorcery card from your graveyard this turn. If that card would be put into your graveyard this turn, exile it instead.
Add one mana of any color for each time you've amped it up this turn.

Trample, haste
Solidarity
At the beginning of your end step, sacrifice Vukoroq Defector unless you sacrifice a token named Solidarity.

{2}, {T}: Scry 1.

Flying, haste
Amity — Whenever you attack with Warden of Heart and exactly one other creature, you may put a legendary or Dragon card from your hand onto the battlefield tapped and attacking.

The first spell you cast during each of your turns costs {R}{G} less to cast.
You may play two additional lands on each of your turns.
Landfall — Whenever a land you control enters, you may exile the top three cards of your library. You may play those cards from exile as long as you control Warden of Tremors.

Vigilance
{T}: Scry 1.
Spellcharge 5

Target creature gets +4/-2 until end of turn.

{T}, Sacrifice Warpway Rings: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}.
Whenever Wasted Watchpost deals combat damage to a player, you may sacrifice it. When you do, destroy target nonbasic land that player controls.
Spellcharge 3

Trample
Drop — When Wavelength Synchronizer enters, if you didn't cast any creature spells during your last turn, you gain 4 life.

Ward—Pay 8 life.
You may have Wayward Coalescence assign its combat damage as though it weren't blocked.

Flying
Whenever Weather Elemental enters or attacks, it acclimates.
If a triggered ability of a Weather you control would trigger, it triggers an additional time.

{T}: Add {C}.
{T}: Add one mana of any color. If you don't control a Weather, spend this mana only to cast a Weather spell.

Reveal the top three cards of your library. You may put a creature, enchantment, or land card from among them into your hand and the rest on the bottom of your library in any order.

At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, creatures you control get +1/+1 and gain trample until end of turn.

Haste
When Wildfang Cavalier dies, create a 3/1 red Dinosaur creature token. It gains haste until end of turn. If it's your combat phase, there is an additional combat phase after this phase.

Choose creature or land. Reveal the top four cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest into your graveyard.

Trample
Whenever Wolf-Whistle Satyr deals combat damage to a player or planeswalker, you may sacrifice it. If you do, bless target creature you control.

As long as you control four or more lands with different names, Worldtreader Beast can't be blocked by creatures with power 2 or less.