Flying
Drop — Whenever Avatar of the Airwaves or another creature enters the battlefield under your control, if the entering creature was cast and you didn't cast any creature spells during your last turn, create a token that's a copy of target non-Avatar creature you control.

{2}{U}{U}, Exile Digitize the Analog World from your hand: At the beginning of your next upkeep, you may cast Digitize the Analog World from exile without paying its mana cost. Activate only as a sorcery.
Return all nonartifact, nonland permanents to their owner's hands.

The owner of target nonland permanent puts it on the top or bottom of their library.
{2}, Discard Dockside Curfew: Search your library for a basic Island card, reveal it, put it into your hand, then shuffle.

Scry 3, then draw three cards.
If this spell's flashback cost was paid, take an extra turn after this one.
Flashback {7}{U}{U}

Indulgence
Whenever you indulge, you may exile target instant or sorcery card from your graveyard. If you do, cast a copy of that card without paying its mana cost.

Flying
Discard a card: Put a +1/+1 counter on Jetstream Cruiser. Activate only once each turn.

Whenever you cast an instant or sorcery spell, create an X/X blue Drake creature token with flying, where X is that spell's mana value.
At the beginning of your upkeep, if Drakes you control have total power 8 or greater, draw a card. Then you may cast an instant or sorcery spell from your hand without paying its mana cost.

Flash
Lyceum Project enters the battlefield with a +1/+1 counter and a flying counter on it.
When Lyceum Project dies, you may put its counters on target creature.

Look at the top X cards of your library, where X is one plus the number of differently named lands you control. Put up to three of them into your hand and the rest on the bottom of your library in a random order.

Counter target spell. That spell's controller reveals their hand. Choose any number of nonland cards from it. That player puts those cards on the bottom of their library in any order, then draws that many cards.

When Shaman of Rime's Fury enters the battlefield, create a 0/0 colorless Spirit creature token. Put a number of +1/+1 counters on that token equal to the total number of instant and/or sorcery cards you own in exile and in your graveyard.

Flying
Drop — When Staggering Wyvern enters the battlefield, if you didn't cast any creature spells during your last turn, tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Prowess
Whenever Starfouled Arcanist attacks, you may tap target creature. If Starfouled Arcanist has greater power than it, that creature doesn't untap during its controller's next untap step.

Flying
Ward {X}, where X is the number of enchantments you control.
Whenever Stormscraper of Ketaphos deals combat damage to a player or planeswalker, create a token that's a copy of another target enchantment you control.

As an additional cost to cast this spell, put X cards from your hand on the bottom of your library. This spell costs {X} less to cast.
Scry 2, then draw three cards.

I — Draw two cards.
II — Return all nonland, nonenchantment permanents to their owners' hands.
III — You may cast a non-Saga spell with mana value 5 or less from your hand without paying its mana cost.

Tap all permanents.
Exile The World Stood Still.