Whenever you cast a noncreature spell, create a 1/1 white Human creature token, then target player mills two cards.

Hazakh District enters tapped unless you control an Island, a Swamp, and a Mountain.
{T}: Add {U}, {B}, or {R}.

Indestructible
As long as your devotion to green and white is less than seven, Karametra isn't a creature.
Enchantments and enchanted permanents you control have “When this permanent becomes tapped for the first time during each of your turns, untap it.”

Vigilance
{T}, Sacrifice an artifact or enchantment: Add {R}{G}.

Whenever another creature you control enters, Nomad's Companion gets +1/+1 until end of turn.

Create a 3/1 red Dinosaur creature token. When you do, pay for and choose any number.
+{G} — Put a trample counter on target creature you control.
+{U} — Put a +1/+1 counter on target creature you control.
+{R} — Put a haste counter on target creature you control.

Whenever you attack, put a +1/+1 counter on a creature you control.

Flying

Vigilance, reach, trample, haste
Ward—Sacrifice a noncreature permanent.

Haste
Level up {2}{R}
[level 1-2] Haste
Whenever this creature attacks, it deals 2 damage to any target.
[level 3+] Haste
Whenever this creature attacks, it deals 5 damage to any target.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. If this spell's flashback cost was paid, instead search your library for any number of land cards, put them onto the battlefield tapped, then shuffle.
Flashback {3}{W}{U}{B}{R}{G}

Penrath District enters tapped unless you control a Mountain, a Forest, and a Plains.
{T}: Add {R}, {G}, or {W}.

Whenever an opponent loses life for the first time each turn, they lose 3 life.
Whenever an opponent discards a card for the first time each turn, they discard a card.
Whenever an opponent sacrifices a permanent for the first time each turn, they sacrifice a nonland permanent.

Brass Laborer enters with two reach counters on it.

Deathtouch
Landfall — Whenever a land you control enters, Sandstorm Dancer acclimates.

Whenever this Subroutine runs, exile the top two cards of your library. You may play one of them this turn.

Flying, haste
When Blistering Cryophoenix enters, discard any number of cards, then draw that many cards.
If a spell you own which had its flashback cost paid would be put into exile, put it into your hand instead.

Target nonland permanent's owner puts it on the bottom of their library or just beneath the top X cards of their library, where X is the number of Memories you control.

Enchant creature
Whenever enchanted creature attacks, create a Treasure token.
If enchanted creature would die, instead sacrifice Invest and return that creature to its owner's hand.

Choose one. If your devotion to red is three or greater, you may choose another. The same is true for devotion to white.
• Create three 1/1 white Human creature tokens.
• Creatures you control get +1/+1 and gain haste until end of turn.
• Opponents can't cast spells or activate abilities that aren't mana abilities this turn.

Revered
Trample

Level up {2}{B}
[level 1-2] Other creatures get -1/-1.
[level 3+] Creatures your opponents control get -1/-1.

Flying, ward {1}
Zhovala, Silver Monarch gets +1/+1 for each other Advisor you control and each Advisor card you own in exile.
Whenever another Advisor you control dies, exile it unless an opponent pays {2}. You may cast that card as long as it remains exiled.

{4}{B}: You draw a card and you lose 1 life. This ability costs {1} less to activate for each other Shrine you control. Activate only once each turn.

Whenever The Ancient Master attacks alone, put any number of creature cards with total mana value 4 or less from your hand onto the battlefield tapped and attacking. Then return any number of creature cards with total mana value 4 or less from your graveyard to the battlefield tapped and attacking.