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.

Once during each of your turns, you may cast a multicolored spell or a spell with {VP} in its mana cost from your graveyard. When you cast a spell this way, it gains “If this card would be put into a graveyard from anywhere, exile it instead.”

Flash
Whenever you cast a noncreature spell, Prismatic Pack gets +1/+1 until end of turn. Untap it.

When Prismatic Remnant enters the battlefield, scry 2.

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

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

Each creature you control gets +2/+1 as long as you control two or more other creatures with the same name as it.
{3}{C}, {T}: Create a token that's a copy of target creature you control.

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

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

Rattling Soundvein enters the battlefield tapped.
When Rattling Soundvein enters the battlefield, 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.

{T}: Add {C}.
Whenever Resting Place attacks, sacrifice it at end of combat.
Spellcharge 5

Return target creature card with mana value 4 or less from your graveyard to the battlefield. It gets +2/+1 and gains trample and haste until end of turn. Sacrifice it at the beginning of the next end step.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast legendary spells or activate abilities of legendary permanents.
{3}, {T}, Sacrifice Revolutionary's Retreat: You may return target legendary card from your graveyard to your hand.

Hexproof from permanents

Secluded Hangar enters tapped unless you control a basic non-Forest land.
{T}: Add {G}.
{2}, {T}: Put a +1/+1 counter on target creature that entered this turn.

Flying
Whenever Seeker Orbs becomes tapped, scry 1.

Shell Cove enters the battlefield tapped.
{T}: Add {G} or {U}.
{9}{G/U}: Shell Cove becomes a 7/7 green and blue Leviathan creature with ward {3} until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to green and blue. Activate only once each turn.

{1}, {T}: Add one mana of any color for each Shrine you control.

Whenever a permanent enters under your control, you may put a living counter on it.
Permanents with living counters on them are 2/2 artifact creatures in addition to their other types.

Whenever one or more creatures crew Smuggler's Convoy, you may move any number of counters from those creatures to Smuggler's Convoy.
Crew 1

Nonland permanent cards in graveyards and libraries can't enter the battlefield.
Players can't cast spells from graveyards or libraries.

When Soul-Guide Lantern enters the battlefield, exile target card from a graveyard.
{T}, Sacrifice Soul-Guide Lantern: Exile each opponent's graveyard.
{1}, {T}: Sacrifice Soul-Guide Lantern: Draw a card.

Prevent all damage that would be dealt to Soundproof Transport by creatures blocking it.

Counter target activated or triggered ability from a nonland source. If a creature's ability is countered this way, you may pay {1}{C}. If you do, exile that creature.