Search your library for a basic land card and put that card onto the battlefield tapped, then shuffle. Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
Pressure {G}(You may cast this spell for its pressure cost if seven or more cards are in your graveyard.) Return target card from your graveyard to your hand. Exile Drawn to the Light.
Flash Flying Whenever Dread Sacricolist enters or attacks, another target creature you control gets +1/+1 and gains flying until end of turn. Untap it. Evoke {1}{W}(You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)
This spell costs {1} less to cast for each card put into your graveyard from anywhere this turn. At the beginning of each player's upkeep, that player loses 1 life, discards a card, and sacrifices a creature.
Flying, menace When Dreadfire Tyrant enters, target opponent reveals their hand. You may put a creature or planeswalker card from it onto the battlefield under your control. That permanent gains haste and “At the beginning of your end step, sacrifice a permanent you control.” When Dreadfire Tyrant dies, each opponent loses 5 life. You gain life equal to the life lost this way.
Flying When Dreadworld Demon enters, each opponent may have you draw a card. Each player who doesn't loses 3 life. You gain life equal to the life lost this way.
“Always assume a demon's first offer is a mercy.” —Rezzal, the Loamfeaster
Take an extra turn after this one. Compose (Then if you cast this from your hand, exile it and create a Saga token with “r3—You may cast a copy of this card from exile without paying its mana cost.”)
Flying Foresight — Whenever you draw your second card each turn, put a +1/+1 counter on Dreammender Sphinx. Cycling {2}({2}, Discard this card: Draw a card.)
Flash When Dreamnapper enters, another target creature phases out until Dreamnapper leaves the battlefield. (Treat it and anything attached to it as though they don't exist as long as it's phased out.)
When Dreamsight Well enters, shuffle any number of cards you own from outside the game into your library. Whenever you cast a creature spell, if you have more cards in your library than each opponent, draw a card.