Contaminated Aquifer

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

Island

Cryptic Serpent

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

Innistrad Checklist

Delver of Secrets // Insectile Aberration

Delver of Secrets

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform this creature.

"Unfortunately, all my test animals have died or escaped, so I shall be the final subject. I feel no fear. This is a momentous night."
—Laboratory notes, final entry

Insectile Aberration

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

Consider

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Draw a card.

Counterspell

Dispel

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.)

Mental Note

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.

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.

Annul

Counter target artifact or enchantment spell.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Bird Illusion

Murmuring Mystic

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

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.

Shrivel

All creatures get -1/-1 until end of turn.

Steel Sabotage

Choose one —
• Counter target artifact spell.
• Return target artifact to its owner's hand.

Manasources	Probability
1	95.17%
2	75.30%
3	42.92%
4	15.95%
5	3.55%
6	0.42%
7	0.02%

Color Pip	Probability
	90.08%
	39.95%
	0.00%
	0.00%
	0.00%
	0.00%

Dimir Terror

Lands (16)

Creatures (12)

Instants (26)

Sorceries (6)

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