Keyword: Scry

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

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

Choose target attacking or blocking creature. Scry 3, then reveal the top card of your library. Judge Unworthy deals damage equal to that card’s converted mana cost to that creature. (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.)

Scry 4, then draw two cards. (To scry 4, look at the top four cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Scry 2, then draw two cards. You lose 2 life. (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.)

When Cryptic Annelid enters the battlefield, scry 1, then scry 2, then scry 3. (To scry X, look at the top X cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card’s converted mana cost to that permanent or player. (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.)

Whenever Marit Lage’s Slumber or another snow permanent enters the battlefield under your control, scry 1.
At the beginning of your upkeep, if you control ten or more snow permanents, sacrifice Marit Lage’s Slumber. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

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.)

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

Scry 2, then draw two cards.
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.)

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.

When Inga Rune-Eyes enters the battlefield, scry 3.
When Inga Rune-Eyes dies, draw three cards if three or more creatures died this turn.

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.)

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.

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.)

(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.

When Inga Rune-Eyes enters the battlefield, scry 3.
When Inga Rune-Eyes dies, draw three cards if three or more creatures died this turn.

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.