Aura spells you cast cost {1} less to cast.
When Ephara's Oracle enters, look at the top five cards of your library. You may reveal an enchantment card from among them and put it on the top of your library. Put the rest on the bottom of your library in a random order.

Ephemeral Mire enters tapped.
{T}: Add {U} or {B}.
{4}{U/B}: Until end of turn, Ephemeral Mire becomes a 3/2 black and blue Horror creature until end of turn and can't be blocked this turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to black and blue. Activate only once each turn.

Exile target nonland permanent if its mana value is less than or equal to your devotion to white.

Enchant creature with another Aura attached to it
Enchanted creature gets +3/+3 and has trample, vigilance, and reach.

Deathtouch
Other Gorgons, Snakes, and Basilisks you control get +1/+1.
Whenever a creature with deathtouch you control deals combat damage to a player or planeswalker, create a Treasure token.

Enchant creature
When Fable of Tooth and Fur enters, create three 2/2 green Wolf creature tokens.
Enchanted creature gets +1/+1 for each creature you control and gains trample.

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.

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

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

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

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.

Flame Whip deals 4 damage to target creature or planeswalker.

Menace, deathtouch
When Furies of the Natural Order enters, bless any number of target players.

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast Shrine spells or activate abilities of Shrines.

Gates to the Underworld enters tapped.
{T}: Add {W} or {B}.
{5}{W/B}: Gates to the Underworld becomes a 3/4 white and black Construct creature with lifelink until end of turn. It's still a land. This ability costs {X} less to activate, where X is your devotion to white and black. Activate only once each turn.

Flash
Enchant creature
Enchanted creature gets +0/+2 and has deathtouch.

Target creature you control gains protection from the color of your choice until end of turn.
Scry 1.

When Gray Merchant of Asphodel enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way.

When Grim Physician dies, target creature an opponent controls gets -1/-1 until end of turn.

Favored
Legendary creatures you control have trample.

At the beginning of your end step, if you control two or more other enchantments, create a 1/1 white Human creature token.

Flying
Whenever you draw your second card each turn, put a +1/+1 counter on Haubay's Familiar.

As an additional cost to cast this spell, sacrifice a creature or pay {4}.
Heedless Cruelty deals 5 damage to target creature or planeswalker.