When Tiril Ambassador enters, you may return target nonland card from your graveyard to your hand. You lose life equal to its mana value.
Basic landcycling {1}{U}

Tiril District enters tapped unless you control a Plains, an Island, and a Swamp.
{T}: Add {W}, {U}, or {B}.

When Together in Arms enters, create two 1/1 colorless Soldier creature tokens.
You controlled a spell that targeted a creature you controlled this turn.
You controlled an ability that targeted a creature you controlled this turn.

Spend only mana of different colors to cast this spell.
For each color among permanents you control, the first multicolored spell you cast each turn costs one mana of that color less to cast. This effect reduces only the amount of colored mana you pay.

Trailblazer Anarch has first strike as long as it's your turn.

You may mill two cards. Then destroy target creature if its mana value is less than or equal to the number of cards in your graveyard.

Creatures you control can't be blocked unless defending player pays {1} for each creature blocking it.
Creatures can't attack you unless their controller pays {1} for each creature they control that's attacking you.

Approval — When Triumphant Herd enters, you gain twice X life, where X is the number of colors among permanents you control.

Lifelink
Spells you cast and abilities you activate that target creatures you control cost {2} less. This effect can't reduce the mana in that cost to less than one mana.

Approval — {3}, {T}, Discard a card: Draw a card. This ability costs {X} less to activate, where X is the number of colors among permanents you control.

Urban Sunscape enters tapped.
{T}: Add {R} or {W}.
{4}: Make a pledge. Activate only as a sorcery.

Double strike
Whenever Urban Twinmotors deals combat damage to a player, untap up to one target permanent.

Whenever you cast an artifact spell, create a 0/0 colorless Robot artifact creature token with a +1/+1 counter on it.
{2}, {T}: Add {R} for each artifact you control. Spend this mana only to cast artifact spells or activate abilities of artifacts.

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.

As an additional cost to cast this spell, tap any number of untapped creatures you control.
Target creature gets +X/+0 and gains first strike until end of turn, where X is the total power of creatures tapped to pay this spell's additional cost.

Approval — Counter target noncreature spell unless its controller pays {X}, where X is the number of colors among permanents you control.

Choose up to one for each color among black, red, and green among permanents you control.
• Put up to two target nonland cards from graveyards on top of their owners' libraries in any order.
• Exile the top two cards of target player's library. Until the end of your next turn, you may play those cards.
• Target player creates two tapped Treasure tokens.
Exile Vishanki Agenda.

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.

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

Approval — When Warrant-Borne Cop enters, target player reveals X cards from their hand, where X is the number of colors among permanents you control. You choose one of them. That player discards that card.

Flash
Flying
When Whirring Inspector enters, target player reveals their hand. You may exile a nonland card from among them until your next turn. When you don't, exile up to one target nonland permanent that player controls until your next turn.

Destroy any number of target nonland permanents with total mana value 4 or less. You lose 1 life for each permanent destroyed this way.

Whenever a counter is put on another creature you control, you may put a counter of the same kind on Zeno. Then if there are no other counters of that kind on Zeno, draw a card. Do this only once each turn.