Alliance — Whenever another creature you control enters, Slash deals 2 damage to each opponent.
Whenever Slash attacks, create a 2/2 red Mutant creature token.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

As an additional cost to cast this spell, blight X. X can't be greater than the greatest toughness among creatures you control.
Soul Immolation deals X damage to each opponent and each creature they control.

Whenever you cast a Spirit or Arcane spell, this creature deals 1 damage to target creature.

Trample
When this creature enters, you lose all but 1 life.
When this creature leaves the battlefield, you gain life equal to the life you lost when it entered.

Each creature you control gains firebending 5 until end of turn.
Foretell

Flying
When this creature enters, you may pay . When you do, it deals 3 damage to any target.

Devoid
When you cast this spell, create three 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add ."
, Sacrifice an Eldrazi: This creature deals 2 damage to any target.

Flying
When this creature enters, you may return target instant or sorcery card with a cycling ability from your graveyard to your hand.
At the beginning of each end step, if you cycled two or more cards this turn, return this card from your graveyard to your hand.

The "legend rule" doesn't apply to Spiders you control.
Whenever you cast a spell from anywhere other than your hand, you may copy it. If you do, you may choose new targets for the copy. If the copy is a permanent spell, it gains haste. Do this only once each turn.

Flying
Wither
Whenever you cast an instant or sorcery spell with a single target, you may copy it. If you do, those spells gain wither. You may choose new targets for the copy.

This creature enters with four +1/+1 counters on it.
, Remove a +1/+1 counter from this creature: It deals 1 damage to target creature.

When Steamflogger of the Month enters, it assembles a Contraption for each Contraption you control. (To assemble a Contraption, put the top card of your Contraption deck onto one of your sprockets.)

Stonefury deals damage to target creature equal to the number of lands you control.

: Monstrosity 3.
When this creature becomes monstrous, creatures without flying your opponents control can't block this turn.

Flying, haste, protection from white
: Monstrosity 3.
When this creature becomes monstrous, it deals damage to each opponent equal to the number of cards in that player's hand.

Destroy all artifacts, then Structural Assault deals damage to each creature equal to the number of artifacts that were put into graveyards from the battlefield this turn.

Protection from red
: This creature deals 1 damage to each creature without flying.

Whenever this creature attacks, you may sacrifice another creature. When you do, this creature deals damage equal to the sacrificed creature's power to any target. If the sacrificed creature was a Giant, this creature deals twice that much damage instead.

Trample
Whenever you cast a historic spell, Surtr deals 3 damage to any target.

Whenever Syr Carah or an instant or sorcery spell you control deals damage to a player, exile the top card of your library. You may play that card this turn.
: Syr Carah deals 1 damage to any target.

Vigilance
, : Tahngarth deals damage equal to its power to target creature. That creature deals damage equal to its power to Tahngarth.

Kicker and/or
Choose up to X creatures and/or planeswalkers you control, where X is the number of times this spell was kicked. Those permanents phase out.
Temporal Firestorm deals 5 damage to each creature and each planeswalker.

Flying
Spells your opponents cast that target this creature cost an additional 3 life to cast.
Whenever another creature you control enters, this creature deals damage equal to that creature's power to any target.

Players play a Magic subgame, starting at 1 life and using their libraries as their decks. For the rest of the main game, if a source would deal damage to a player who didn't win the subgame, it deals double that damage to that player instead.

When The Motherlode enters, choose target opponent. You get an amount of (energy counters) equal to the number of nonbasic lands that player controls.
Whenever The Motherlode attacks, you may pay . When you do, destroy target nonbasic land defending player controls, and creatures that player controls without flying can't block this turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Up to one target creature can't block for as long as you control this Saga. The Ring tempts you.
Search your library for a Mountain card, put it onto the battlefield, then shuffle.
Create Smaug, a legendary 6/6 red Dragon creature token with flying, haste, and "When Smaug dies, create fourteen Treasure tokens."

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.

Flying
Whenever a source you control deals noncombat damage to an opponent, you may exile that many cards from the top of your library. You may play those cards this turn.

Triple strike (This creature deals first-strike, regular, and last-strike combat damage.)