Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, you may pay . If you do, target creature gains double strike until end of turn.

When Fblthp enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead.
When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.

This land enters tapped unless you control two or fewer other lands.
: Add or .

Exile target creature. Its controller gains life equal to its power.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — For each opponent, gain control of up to one target nonlegendary creature that player controls for as long as this Saga remains on the battlefield.
II — Draw a card for each creature you control but don't own.
III — Starting with you, each player chooses a creature. Destroy each creature chosen this way.

You gain 2 life for each creature you control.

: Add .
, , Sacrifice this land: Create three Junk tokens. (They're artifacts with ", Sacrifice this token: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

When this creature enters, look at the top six cards of your library. You may reveal an instant, sorcery, or Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Untapped Dragons you control have hexproof.

Secret council — When Elrond enters, each player secretly votes for fellowship or aid, then those votes are revealed. For each fellowship vote, the voter chooses a creature they control. You gain control of each creature chosen this way, and they gain "This creature can't attack its owner." Then for each aid vote, put a +1/+1 counter on each creature you control.

Job select (When this Equipment enters, create a 1/1 colorless Hero creature token, then attach this to it.)
Equipped creature gets +2/+2 for each artifact you control and is an Artificer in addition to its other types.
Machina — Equip (: Attach to target creature you control. Equip only as a sorcery.)

Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)
When Gyruda enters, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.

Whenever one or more creatures you control with mana value 3 or less enter, draw a card. This ability triggers only once each turn.

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)
Instant and sorcery spells you cast cost less to cast.
You may cast sorcery spells as though they had flash.

Equipped creature gets +2/+0 and has first strike, vigilance, trample, and haste.
Equip

Trample
Whenever you roll your third die each turn, put a +1/+1 counter on this creature.

Flash
When this Equipment enters, attach it to target creature you control. If that creature is an Assassin, it gains deathtouch until end of turn.
Equipped creature gets +1/+0 and has first strike.
Equip

Vigilance
As long as you control six or more lands, this creature and land creatures you control get +2/+2.

Enchant creature
When this Aura enters, draw a card for each Aura you control that's attached to a creature.
Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.

First strike
Other Vampire creatures you control get +1/+1 and have first strike.

, : Create a 0/1 green Egg creature token with defender.
Whenever an Egg you control dies, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.