When Penrath Ambassador enters, target creature must be blocked each combat this turn if able and target creature can't block this turn.
Basic landcycling {1}{G}

Whenever Penrath Dispatcher attacks, you may put a creature card with mana value less than or equal to Penrath Dispatcher's power from your hand onto the battlefield tapped and attacking.
{2}: Penrath Dispatcher gets +1/+1 until end of turn.

Whenever you cast a spell with mana value 4 or greater, put two +1/+1 counters on this creature.

Trample, haste

Whenever another Subroutine you control enters, it runs.
Whenever this Subroutine runs, create an X/X colorless Construct artifact creature token, where X is the number of Subroutines you control.

Create a 1/1 red creature token with haste and a creature type of your choice and a 1/1 green creature token with trample and a creature type of your choice.

Haste
This creature enters with a +1/+1 counter on it.
When this creature dies, you may put its counters on target creature you control.

Solidarity
You may look at the top card of your library any time.
You may cast creature spells that have a creature type no creature you control does from the top of your library.

Flash
Whenever one or more counters are put on another creature you control, you may put a +1/+1 counter on Shiori.
{2}: Change a target of target spell to a creature or enchantment you control with one or more counters on it.

At the beginning of combat on your turn, create a 1/1 white Human creature token with haste. At the beginning of your next end step, sacrifice that token unless you control three or more Shrines.

When Sola enters, create a Treasure token.
{2}, Sacrifice a Treasure: You gain 3 life.
{2}, Sacrifice a Treasure: Draw a card.

{T}: Add one mana of any color.
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, untap Speaker of Endless Winter and put a +1/+1 counter on it.

Whenever another creature you control enters, you may pay {X}{X}. If you do, put X +1/+1 counters on that creature.
{T}: Add one mana of any color.

Enchant creature
Whenever enchanted creature becomes the target of a spell or ability, put a +1/+1 counter on it and that creature deals 1 damage to each opponent. This ability triggers no more than twice each turn.

Whenever Spikemane Lion dies, you may bless target creature.

Whenever this creature deals combat damage to a player or planeswalker, put a +1/+1 counter on it.

Haste
Amity — Whenever you attack with Stitches and exactly one other creature, create a 2/2 Toy artifact creature token with defender, then tap all Toys you control. They're attacking.
At the beginning of your end step, if you didn't create a Toy this turn, transform Stitches.

Trample
Amity — Whenever you attack with Stitches, Orphaned and exactly one other creature, transform Stitches at the beginning of the next turn's upkeep.

Any number of creatures you control fight different creatures you don't control. Each other creature you control gets +3/+3 and gains trample until end of turn.

Haste
Talon Triplets can't be blocked by creatures with power 2 or less.
Amity — Whenever you attack with Talon Triplets and exactly one other creature, that creature can't be blocked by creatures with power 2 or less this turn.

When Teshima enters, create three 1/1 white Monk creature tokens with vigilance.
Whenever Teshima attacks, put X +1/+1 counters on each other creature you control, where X is Teshima's power.

When The Quindral Accords enters, make a pledge.
Pledge — {3}{W}{U}{B}{R}{G}: Create a 5/5 Robot artifact creature token named Sentry of the New World that's all colors, then look at the top five cards of your library. Put one of them into your hand and the rest into your graveyard. Activate only as a sorcery unless you're making a pledge.

[–1]: Create a red and green Subroutine enchantment token named SAVE with “Whenever this Subroutine runs, exile the top card of your library. You may play it this turn.”
[–1]: You may sacrifice an enchantment. If you do, search your library for an enchantment card with mana value equal to 1 plus the sacrificed enchantment's mana value, put it onto the battlefield, then shuffle.

Revered
This creature can't be blocked by creatures with power 2 or less.

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