Cryptic Serpent

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Gurmag Angler

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Cast Down

Counterspell

Dispel

Mental Note

Snuff Out

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Thought Scour

Target player mills two cards.
Draw a card.

Unexpected Fangs

Put a +1/+1 counter and a lifelink counter on target creature.

Contaminated Aquifer

({T}: Add {U} or {B}.)
This land enters tapped.

Ice Tunnel

Island

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Lórien Revealed

Draw three cards.
Islandcycling {1} ({1}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

Ponder

Preponderant Pearl

Look at the top three cards of your library, then put them back in any order. You may shuffle.
Draw a card.

Annul

Counter target artifact or enchantment spell.

Arms of Hadar

Creatures target player controls get -2/-2 until end of turn.

Crypt Incursion

Exile all creature cards from target player's graveyard. You gain 3 life for each card exiled this way.

Envelop

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Nihil Spellbomb

{T}, Sacrifice this artifact: Exile target player's graveyard.
When this artifact is put into a graveyard from the battlefield, you may pay {B}. If you do, draw a card.

Manasources	Probability
1	90.08%
2	60.83%
3	27.09%
4	7.41%
5	1.16%
6	0.09%
7	0.00%

Color Pip	Probability
	90.08%
	47.46%
	0.00%
	0.00%
	0.00%
	0.00%

Dimir Terror

Creatures (10)

Instants (25)

Lands (16)

Sorceries (9)

Sideboard (15)

Probability of drawing any mana sources in your first 7 cards

Probability of drawing a mana source of a specific color pip in your first 7 cards

Mana Cost Distribution

Mana Density