As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {G} or {W}.

When this creature enters, put a +1/+1 counter on each of up to two target creatures you control.
Forestcycling {2}

Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, you may draw a card.
{4}{U}: Tap target creature without flying.

Double strike, menace
Ward—Sacrifice a creature.
Whenever Vijkstra attacks, sacrifice a creature.

This land enters tapped.
{2}{B}{R}, {T}: Surveil 1.

As this creature enters, choose a nonland card name.
Whenever a player casts a spell with the chosen name, counter it. When you do, that player creates an X/X colorless Construct artifact creature token, where X is that spell's mana value.

When Vishanki Ambassador enters, each opponent loses 3 life and you gain 3 life.
Basic landcycling {1}{R}

Vishanki District enters tapped unless you control a Swamp, a Mountain, and a Forest.
{T}: Add {B}, {R}, or {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.

Vigilance
Level up—{1}, Tap an untapped creature you control.
[level 1-5] Vigilance
This creature gets +1/+1 for each level counter on it.
[level 6+] Vigilance
Creatures you control get +1/+1 for each level counter on this creature.

Equipped creature gets +1/+0.
If a source you control would deal noncombat damage to a player while this Equipment is attached to a creature, you may have it deal damage equal to equipped creature's power instead.
Equip {2}

{U}: Volatile Sergeant gets +0/+1 until end of turn.
{R}: Volatile Sergeant gets +1/+0 until end of turn.

When Vorpal Titan enters, destroy all nonbasic lands.

Enchant creature
Enchanted creature gets +1/+0 and can't be blocked.
{5}{U}, Exile Voyage to the Siren Sea from your graveyard or the battlefield: Draw three cards. This ability costs {1} less for each creature you control that dealt combat damage to an opponent this turn.

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

Whenever this Subroutine runs, draw two cards. Creatures your opponents control get -2/-0 until your next turn.

Revered
When this creature dies, create a 1/1 green Spirit creature token.

Flying
When Warcast Seraph enters, put a +1/+1 counter on each other artifact creature you control.

The first spell you cast during each of your opponent's turns cost {U}{B} less to cast.
During each ending phase, nonland cards in your graveyard have flash and surface. The surface cost is equal to their mana cost.
Surface {6}{U}{U}{B}

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.

This spell can't be countered.
Flying, vigilance, trample
Players can't cast spells from anywhere other than their hands.
Spells your opponents cast that cost less than five mana to cast and target you and/or spells or permanents you control cost five mana to cast.

Flying
Amity — Whenever you attack with Warden of Soul and exactly one other creature, search your library for a legendary or Dragon card, reveal it, put it into your hand, then shuffle.

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.