Flash (You may cast this spell any time you could cast an instant.)
: Regenerate Drudge Reavers.

Suspend 5— (Rather than cast this card from your hand, you may pay and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

, : If Durkwood Tracker is on the battlefield, it deals damage equal to its power to target attacking creature. That creature deals damage equal to its power to Durkwood Tracker.

Flying, protection from black
Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Create two 1/1 red Goblin creature tokens.
Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Whenever you cast a creature spell, create X 1/1 black Thrull creature tokens, where X is that spell's converted mana cost.
When you control seven or more Thrulls, sacrifice Endrek Sahr, Master Breeder.

: Tap target creature with toughness 2 or less.

Flying
Suspend 4— (Rather than cast this card from your hand, you may pay and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Enchant creature
When Eternity Snare enters the battlefield, draw a card.
Enchanted creature doesn't untap during its controller's untap step.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)
Gain control of target creature of an opponent's choice they control.

Non-Eye creatures you control can't attack.
Whenever Evil Eye of Urborg becomes blocked by a creature, destroy that creature.

Shadow (This creature can block or be blocked by only creatures with shadow.)
When Faceless Devourer enters the battlefield, exile another target creature with shadow.
When Faceless Devourer leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Enchant creature
Enchanted creature has flying and "Sacrifice a creature: This creature gets +2/+1 until end of turn."
When Fallen Ideal is put into a graveyard from the battlefield, return Fallen Ideal to its owner's hand.

Morph—Return two Islands you control to their owner's hand. (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When Fathom Seer is turned face up, draw two cards.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets -2/-1.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Firemaw Kavu enters the battlefield, it deals 2 damage to target creature.
When Firemaw Kavu leaves the battlefield, it deals 4 damage to target creature.

All Sliver creatures have haste.
All Slivers have ", Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

: Add .
When Flagstones of Trokair is put into a graveyard from the battlefield, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle your library.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Flying
: Fledgling Mawcor deals 1 damage to any target.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)