Exile cards from the top of your library until you exile a nonland card. Undying Flames deals damage to any target equal to that card's mana value.
Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Flying
Whenever this creature enters or attacks, exile a card from a graveyard.
You may look at the top card of your library any time.
Once each turn, you may cast a spell from the top of your library if it shares a card type with a card exiled with this creature.

: Add two mana in any combination of colors. Spend this mana only to cast creature spells or activate abilities of creature sources.
Whenever you cast a creature spell with power 5 or greater, put a +1/+1 counter on Gwenna and untap it.

Dragons you control have indestructible.
At the beginning of your upkeep, for each color, put a +1/+1 counter on a Dragon you control of that color. If you put +1/+1 counters on five Dragons this way, you win the game.

Flying
When Thor enters, exile target Equipment, instant, or sorcery card from your graveyard. Until the end of your next turn, you may play that card.
Whenever you cast a noncreature spell, Thor deals damage equal to that spell's mana value to any target.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

, , Discard a creature card: Search your library for a creature card, reveal it, put it into your hand, then shuffle.

This land enters tapped unless you control a Mountain or a Plains.
: Add or .

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
At the beginning of each of your postcombat main phases, add for each 1 life your opponents have lost this turn.

, : Search your library for a permanent card, put it onto the battlefield, then shuffle.

At the beginning of your upkeep, put target creature card from a graveyard onto the battlefield under your control.

Flash
Whenever an opponent searches their library, you gain 1 life and draw a card.

: Add .
, Sacrifice this land: Put your commander into your hand from the command zone.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Until your next turn, creatures you control gain ": Add one mana of any color."
III — Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

All Sliver creatures have defender.
All Slivers have "When this permanent enters, draw a card."

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
At the beginning of your first main phase, add . This mana can't be spent to cast spells from your hand.

(: Add or .)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Flying
Whenever another Angel you control enters, put a +1/+1 counter on this creature.

Flying
Modular 1 (This creature enters with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)