Exile the top two cards of your library. You may play those cards until you next cast a spell from your hand.
Flashback {3}{R}{R}

Target creature gets -3/-2 until end of turn.

Choose one —
• Target player sacrifices a creature with the least power among creatures they control.
• Target player sacrifices a creature with the least toughness among creatures they control.

Enchant creature you control
When Fall from Nyx enters, destroy target artifact or land.
Enchanted creature gets +2/+0.

Choose one —
• Target opponent reveals their hand. You choose a card from it. That player discards that card.
• Target opponent sacrifices a creature or enchantment.

Destroy all creatures.

When Falling Ashes enters, exile up to two target cards from graveyards, then you gain 2 life.

Target player mills two cards, then mills two more cards for each card named Fathomless Dominion in your graveyard.

Feed on the Meek deals 4 damage to target creature. Put X +1/+1 counters on up to one target creature, where X is the amount of excess damage dealt to that creature this way.

Enchant creature
Enchanted creature gets +1/+1 and has vigilance and trample.

Mill X cards. For each land card milled this way, add {B}{B}. For each creature card milled this way, create a 2/2 black Zombie artifact creature token. For each noncreature, nonland card milled this way, draw a card.

{T}: You may look at two additional cards the next time you scry this turn.
{W}, {T}: Until end of turn, creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures.

Field Laboratory enters tapped.
{T}: Add {G} or {U}.
{1}, Discard Field Laboratory: Scry 2.

Enchant land
Enchanted land has “{T}: Add one mana of any color.”

Choose one or both —
• Target Human creature you control gets +1/+1 and gains indestructible until end of turn.
• Target non-Human creature you control gets +1/+1 and gains indestructible until end of turn.

Choose one or both —
• Target Kraken, Leviathan, Octopus, or Serpent creature you control gets +2/+1 until end of turn.
• Target creature you control fights target creature you don't control.

Before equipped creature would assign, deal, or be dealt damage, sacrifice Figy Berry. If you do, equipped creature gets +2/+2 until end of turn.
Equip {1}
{7}, Sacrifice Figy Berry: Destroy target nonland permanent.

Destroy target creature if its mana value is less than or equal to the amount of mana spent to cast this spell.
Flashback {X}{B}{B}{B}

Final Performance deals 2 damage to target creature. If a creature died this turn, instead Final Performance deals 5 damage to it, and excess damage is dealt to that creature's controller instead.

Firebolt deals 2 damage to any target.
Flashback {4}{R}

Draw a card. If you control no creatures, create a 1/1 colorless Cyborg artifact creature token.

When Flags on High enters, create two 1/1 colorless Soldier creature tokens.
{1}{R}, Sacrifice Flags on High: Target creature you control gets +1/+0 and gains haste until end of turn. Activate only as a sorcery.

Flame Whip deals 4 damage to target creature or planeswalker.

This spell costs {1} less to cast if it targets a spell you control and costs {1} less to cast if it targets a spell with mana value 3 or less.
Copy target spell. You may choose new targets for the copy.

Return target creature to its owner's hand. If you've cast another instant or sorcery spell this turn, draw a card.