Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on this creature, you may draw a card.

At the beginning of each upkeep, untap all creatures and lands.

This spell can't be countered.
Destroy all creatures.

Artifacts, creatures, and lands your opponents control enter tapped.

Flying
Whenever you cast a Spirit or Arcane spell, destroy all permanents with that spell's mana value.

Flash
If an opponent would draw two or more cards, instead you and that player each draw a card.

You may pay rather than pay this spell's mana cost.
If the cost was paid, an opponent draws a card.
Exile target creature or planeswalker.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Look at the top five cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
III — Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

Equipped creature gets +4/+4.
: Until end of turn, this permanent becomes a 4/4 Spirit artifact creature that's no longer an Equipment. Activate only if you control no creatures.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

When this creature enters, discard a card at random. If you discard a creature card this way, this creature deals damage equal to that card's power to target player or planeswalker.

Choose two —
• Counter target spell.
• Return target permanent to its owner's hand.
• Tap all creatures your opponents control.
• Draw a card.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of your upkeep, you get a poison counter.

At the beginning of each player's upkeep, that player returns a permanent they control to its owner's hand unless they pay 2 life.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

, : This artifact deals 12 damage to target creature.

Flying, vigilance, haste

Will of the council — Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If knowledge gets more votes or the vote is tied, draw three cards.

When Pia and Kiran Nalaar enters, create two 1/1 colorless Thopter artifact creature tokens with flying.
, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target.

Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Flash (You may cast this spell any time you could cast an instant.)
When Venser enters, return target spell or permanent to its owner's hand.

Whenever a player casts a spell, you may put a +1/+1 counter on this creature.
At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto other creatures.

Flash (You may cast this spell any time you could cast an instant.)
When this creature enters, you gain protection from the color of your choice until end of turn. (You can't be targeted, dealt damage, or enchanted by anything of the chosen color.)

, : Search your library for a card named Festering Newt or Bubbling Cauldron, put it onto the battlefield tapped, then shuffle.

Creatures can't block.

Flying
Commander creatures you control get +2/+2 and have haste.

Whenever a Forest is tapped for mana, its controller adds an additional .

Pay 5 life: Destroy this enchantment. Any player may activate this ability but only during their turn.
Discard a card: Target player puts a card from their hand on top of their library. Activate only as a sorcery.

Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, return to their owners' hands all creatures your opponents control with toughness less than the exploited creature's toughness.

Whenever you cast a creature spell, draw a card.

You draw three cards and you lose 3 life.

You may play an additional land on each of your turns.
, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Changeling (This card is every creature type.)
Protection from black
: This creature gets +X/+X until end of turn, where X is its power.

Landfall — Whenever a land you control enters, choose one —
• Create a 2/2 white Cat Beast creature token.
• Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

Creatures without flying can't attack.

Whenever a creature you control enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on the creature, then put the card back or put it into your graveyard.)

Destroy all creatures with power 3 or greater.