Discard a card: You may cast a creature spell from your graveyard this turn. Activate only once each turn.
Whenever a nontoken creature you control enters, if you didn't cast it from your hand, it gains haste until your next turn.

Target player sacrifices a creature of their choice.
Flashback

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
, This Saga deals 2 damage to each opponent and you gain 2 life.
Create an X/X black Nightmare Horror creature token, where X is half your life total, rounded up. It deals X damage to you.

Whenever this creature or equipped creature attacks, it gets +2/+0 until end of turn.
Reconfigure

, : This creature deals 1 damage to any target.
Threshold — , : This creature deals 2 damage to any target. Activate only if there are seven or more cards in your graveyard.

Enchant creature you control
When this Aura enters, exile target nonland permanent an opponent controls until this Aura leaves the battlefield.
Enchanted creature has ward .

If a player would draw a card except the first one they draw in each of their draw steps, that player discards a card instead. If the player discards a card this way, they draw a card. If the player doesn't discard a card this way, they mill a card.

When this Equipment enters, it deals 3 damage to up to one target creature.
Whenever one or more creatures die, put a rev counter on this Equipment.
Equipped creature gets +X/+0, where X is the number of rev counters on this Equipment.
Equip

Reach
When this creature enters, it deals damage equal to its power to target creature with flying an opponent controls.
Escape — , Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
This creature escapes with three +1/+1 counters on it.

: Target creature can't block this turn.

When this enchantment enters, return up to one target instant or sorcery card from your graveyard to your hand.
Whenever you cast an instant or sorcery spell, draw a card. Then discard a card unless there are three or more Lesson cards in your graveyard.

Partner with Chakram Slinger
Whenever you cast a spell during your turn, untap target creature.

Partner with Chakram Retriever
, : This creature deals 2 damage to target player or planeswalker.

: Target player loses 5 life.

: You gain 1 life. Then if you have at least 10 life more than your starting life total, transform this artifact.

Whenever one or more creature cards leave your graveyard, create a 2/2 white and blue Detective creature token, then investigate.

Each creature you control with power 4 or greater can't be blocked by more than one creature.

Enchant land
Enchanted land has ", Discard a card: Gain control of target creature until end of turn."

Whenever this creature becomes blocked, you may draw a card.

Prevent all damage that creatures would deal to players this turn.

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

You may have Chameleon enter as a copy of a creature you control, except his name is Chameleon, Master of Disguise.
Mayhem

Prevent all damage that would be dealt to this creature by creatures.

Trample
Renew — , Exile this card from your graveyard: Put a +1/+1 counter and a trample counter on target creature. Activate only as a sorcery.

When this creature enters, you draw X cards and you lose X life, where X is the number of Vampires you control.

Creatures with power less than this creature's power can't block creatures you control.
Whenever another creature you control enters, put a +1/+1 counter on this creature.

You may exert this creature as it attacks. When you do, you may put a creature card from your hand onto the battlefield.