Terror of the Peaks

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.

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Breeding Pool

({T}: Add {G} or {U}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

Cavern of Souls

As this land enters, choose a creature type.
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Island

Spider-Sense

Web-slinging {U} (You may cast this spell for {U} if you also return a tapped creature you control to its owner's hand.)
Counter target instant spell, sorcery spell, or triggered ability.

Manasources	Probability
1	100.00%
2	100.00%
3	100.00%
4	100.00%
5	100.00%
6	76.92%
7	23.08%

Color Pip	Probability
	100.00%
	100.00%
	96.50%
	96.50%
	96.50%
	96.50%

Allies

Creatures (1)

Instants (1)

Lands (12)

Sideboard (2)

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