Deathtouch
Other Gorgons, Snakes, and Basilisks you control get +1/+1.
Whenever another creature with deathtouch you control deals combat damage to a player or planeswalker, put a +1/+1 counter on Evridiki.

As an additional cost to cast this spell, you may sacrifice a creature, sacrifice an artifact, and/or discard a card.
For each additional cost paid to cast this spell, you gain 1 life, draw a card, and create a 1/1 colorless Cyborg artifact creature token.

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}

Destroy all creatures.

Double strike
Whenever you attack, mill two cards. For each of the milled cards, you may cast it, then if you don't, creatures you control get +1/+0 until end of turn.

When Familial Roots enters the battlefield, create a 1/1 green Elf creature token.
At the beginning of your upkeep, create a token that's a copy of target token you control.

Creatures can't attack you or a planeswalker you control unless their controller pays {1} for each of those creatures beyond the first.

Flying
Whenever an artifact without a loop counter on it is put into your graveyard from the battlefield, return it to the battlefield with a loop counter on it.
{2}{U}: Remove a loop counter from target artifact.

Indulgence
Whenever you indulge, choose one —
• Scry 2. Each opponent loses 2 life.
• Create a tapped 2/1 black Rogue creature token with menace.
• Target creature gets -2/-2 until end of turn.

Whenever you amp it up, put a +1/+1 counter on Ferva Sensation.
Remove two counters from Ferva Sensation: It phases out.

Create two 1/1 white Spirit creature tokens with flying.
Escape—{2}{W}{B}, Exile four other cards from your graveyard.

Flooded Morass enters the battlefield tapped unless you control a basic Island or a basic Swamp.

Flourishing Crevasse enters the battlefield tapped unless you control a basic Mountain or a basic Forest.

Choose target card in a graveyard other than a basic land. Search its owner's graveyard, hand, and library for any number of cards with the same name as that card and exile them. You gain 1 life for each card exiled this way. That player draws a card for each card exiled from their hand this way.
Flashback {3}{B}

Whenever Forgotten Cultivator enters the battlefield or attacks, mill three cards. Return a permanent card from among the milled cards to your hand.
Spellcharge 4

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.

This spell costs {1} less to cast for each Spirit you control.
Flying
Escape—{8}{W}{U}, Exile three other cards from your graveyard.

Vigilance, haste
Revolt — At the beginning of each end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each creature you control.

Exile target creature you control, then return that card to the battlefield under its owner's control.

Frostfire Geysers enters the battlefield tapped unless you control a basic Island or a basic Mountain.

Fungal Mire enters the battlefield tapped unless you control a basic Swamp or a basic Forest.

Deathtouch, lifelink
When Furies of the Natural Order enters the battlefield, bless any number of target players.

Search your library for a basic land card, put it onto the battlefield, then shuffle.

Target creature you control gains double strike until end of turn. It deals damage equal to its power to each of up to two other targets.

Flash
Deathtouch
Whenever you cast a noncreature spell, return up to one target creature card from your graveyard to your hand.