Keyword: Scry

Scry X, where X is the amount of spent to cast this spell, then draw three cards. ( is mana from a snow source.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Battle of Frost and Fire deals 4 damage to each non-Giant creature and each planeswalker.
II — Scry 3.
III — Whenever you cast a spell with converted mana cost 5 or greater this turn, draw two cards, then discard a card.

Destroy target creature. If this spell was foretold, scry 2.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Surtland Frostpyre enters the battlefield tapped.
: Add .
, , Sacrifice Surtland Frostpyre: Scry 2. Surtland Frostpyre deals 2 damage to each creature. Activate this ability only any time you could cast a sorcery.

When Niko Aris enters the battlefield, create X Shard tokens. (They’re enchantments with “, Sacrifice this enchantment: Scry 1, then draw a card.”)
+1: Up to one target creature you control can’t be blocked this turn. Whenever that creature deals damage this turn, return it to its owner’s hand.
−1: Niko Aris deals 2 damage to target tapped creature for each card you’ve drawn this turn.
−1: Create a Shard token.

Scry X, where X is the amount of spent to cast this spell, then draw three cards. ( is mana from a snow source.)

At the beginning of your upkeep, you may cast a permanent spell from your hand with converted mana cost equal to 1 plus the highest converted mana cost among other permanents you control without paying its mana cost. If you don’t, scry 1.

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Flying
Whenever Siani, Eye of the Storm attacks, scry X, where X is the number of attacking creatures with flying.
Partner (You can have two commanders if both have partner.)

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

: Add .
, : Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Sunset Pyramid enters the battlefield with three brick counters on it.
, , Remove a brick counter from Sunset Pyramid: Draw a card.
, : Scry 1.

Flying
When Horizon Scholar enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Destroy target creature with power 3 or greater. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Scry 3, then reveal the top card of your library. Draw cards equal to that card’s converted mana cost. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Enchant creature
Enchanted creature can’t be blocked.
Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Path of Ancestry enters the battlefield tapped.
: Add one mana of any color in your commander’s color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Trample
When Sifter Wurm enters the battlefield, scry 3, then reveal the top card of your library. You gain life equal to that card’s converted mana cost.

When Omenspeaker enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Path of Ancestry enters the battlefield tapped.
: Add one mana of any color in your commander’s color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

: Choose one. X is the number of spells you’ve cast this turn.
• Scry X.
• Gnostro, Voice of the Crags deals X damage to target creature.
• You gain X life.

: Scry 1, then reveal the top card of your library. If it’s a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)

Flying
Whenever Siani, Eye of the Storm attacks, scry X, where X is the number of attacking creatures with flying.
Partner (You can have two commanders if both have partner.)