Flying, first strike, lifelink
Landfall — Whenever a land you control enters, other creatures you control get +2/+2 until end of turn.

Ominous Quag enters tapped.
{T}: Add {W} or {B}.
{2}{W}{B}, {T}, Sacrifice Ominous Quag: Draw a card.

Your maximum hand size is zero.
Pay 1 life: Draw a card. Activate only as a sorcery.

Open Air Boardwalk enters tapped.
{T}: Add {G} or {W}.
{4}: Make a pledge. Activate only as a sorcery.

Ozzen Headquarters enters tapped.
{T}: Add {W} or {B}.
{T}, Discard another card named Ozzen Headquarters: Draw a card.

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

{T}: Add one mana of any color.
{1}{VP}{VP}{VP}, {T}, Sacrifice Petabyte Prism: Draw two cards.

Indestructible
As long as your devotion to blue and black is less than seven, Phenax isn't a creature.
At the beginning of each end step, each opponent mills X cards, where X is the number of cards put into their graveyard from anywhere this turn. You gain life equal to the number of cards milled this way.

When Plasma Armory enters or leaves the battlefield, create a Weapon token.
{2}, Sacrifice Plasma Armory: Draw a card.

Possibility Heights enters tapped.
{T}: Add {R} or {G}.
{T}, Discard another card named Possibility Heights: Draw a card.

{T}: Add {C}.
{3}, {T}, Sacrifice Prickly Dunes: Create two 1/1 green Plant creature tokens. Activate only as a sorcery.

Primal Fissure enters tapped unless you control two or fewer other lands.
{T}, Sacrifice Primal Fissure: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Flying
Whenever you cast a spell, choose one of its colors that you haven't chosen this way this turn. Add one mana of that color.

Pristine Grounds enters tapped unless you control no other lands.
{T}: Add one mana of any type Pristine Grounds hasn't produced this game.

Whenever you cast a spell, you may pay {X}, where X is that spell's mana value. If you do, copy it. You may choose new targets for the copy. Do this only once each turn.

{T}: Add {C}.
Whenever you amp it up, untap Pulsing Soundsea.

Quantum Skycity enters tapped.
{T}: Add {W} or {U}.
{T}, Discard another card named Quantum Skycity: Draw a card.

Rapturous Festival enters tapped.
{T}: Add {G} or {W}.
{T}, Discard another card named Rapturous Festival: Draw a card.

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

{T}: Add one mana of any type.
{T}, Sacrifice two permanents named Reactor Sphere: Draw three cards.

Whenever Reborn Apostle attacks, each player loses 1 life.

Ward—Discard a card.
Whenever Reborn Fisher attacks, choose a nonland card name, then defending player reveals their hand and discards a card with that name if able.

Lifelink
When this creature transforms into Reborn Follower, put a +1/+1 counter on target creature.

Whenever this creatures transforms into Reborn Herald or another permanent you control transforms, create a 1/1 colorless Cyborg artifact creature token.
Reborn Herald gets +1/+1 for each other artifact you control.