Whenever a nontoken Zombie you control enters, create a token that's a copy of that creature.

Enchant creature
When this Aura enters, draw two cards.
Enchanted creature has "You have no maximum hand size" and "Whenever this creature attacks, if you have ten or more cards in hand, it gets +10/+10 until end of turn."

Focus Beam — At the beginning of your upkeep, roll a d4. Scry X, where X is the result.
Perfect Illumination — Whenever you roll a die's highest natural result, draw a card.

When this enchantment enters, draw three cards.
As long as you have seven or more cards in hand, you may pay rather than pay cycling costs.

Bedtime story (Don't put a lore counter on this Saga as it enters. Put a lore counter on it at the beginning of your end step rather than your main phase. Sacrifice after III.)
Create two 1/1 blue Merfolk creature tokens.
Put a flying counter on each tapped creature you control.
Draw a card for each creature you control that dealt combat damage to a player this turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
, , — Until your next turn, whenever you cast an instant or sorcery spell, target player mills cards equal to that spell's mana value.
Draw a card. If a graveyard has twenty or more cards in it, draw three cards instead.

Flash
Enchant creature
Enchanted creature loses all abilities and is a colorless Noggle with base power and toughness 1/1. (It loses all colors and all other creature types.)

At the beginning of your upkeep, if you control permanents with names that include all twenty-six letters of the English alphabet, you win the game.

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.
At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life.

When Oath of Jace enters, draw three cards, then discard two cards.
At the beginning of your upkeep, scry X, where X is the number of planeswalkers you control.

At the beginning of each player's upkeep, that player chooses target player who has more cards in hand than they do and is their opponent. The first player may discard their hand and draw three cards.

Flash
Enchant creature an opponent controls
When this Aura enters, remove enchanted creature from combat. Then draw a card for each tapped creature its controller controls.
Enchanted creature loses all abilities and can't attack or block.

When Octo Opus enters, create a 4/4 blue Octopus Performer creature token named Contortionist with "At the beginning of your upkeep, you may fold this token in half." (It becomes 2/2, then 1/1, ½/½, and so on.)
Sacrifice Octo Opus: Draw a card and an additional card for each of Contortionist's folds.

Enchant creature
Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less."
Umbra armor

Enchant creature
Enchanted creature has ": Draw a card."
: Enchanted creature gains vigilance until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
Target creature you control gains hexproof for as long as this Saga remains on the battlefield.
Prevent all damage that would be dealt by up to one target creature for as long as this Saga remains on the battlefield.
III, Draw a card.

Flash
When this enchantment enters, scry 2, then draw a card.
, Sacrifice this enchantment: Scry 2.

When this enchantment enters and whenever you cast a spell from your graveyard, create a 1/1 blue Bird creature token with flying and "This token can block only creatures with flying."

Whenever you draw a card, put a foreshadow counter on this enchantment.
Remove eight foreshadow counters from this enchantment: Create an 8/8 blue Kraken creature token.
Cycling

You may cast spells from your hand without paying their mana costs.

You may look at the top card of your library any time.
You may play lands and cast spells from the top of your library.
Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Enchant creature or enchantment
Enchanted permanent is an enchantment and loses all other card types. (It still has its abilities, but it's no longer a creature.)

Enchant creature
Enchanted creature gets +2/+2 and has flying.

Whenever one or more creatures you control deal combat damage to a player, investigate.
, Exile a creature card from your graveyard: Investigate. You gain 2 life.

Flash
Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Tap an untapped creature you control: Tap target artifact, creature, or land.

Enchant creature
Enchanted creature has ": Scry 1, then draw a card."

Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, draw two cards.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Tap up to one target creature. It doesn't untap during its controller's untap step for as long as this Saga remains on the battlefield.
Draw two cards.
You may put an artifact card with mana value 5 or less from your hand onto the battlefield.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.