Ancient Den

Bojuka Bog

This land enters tapped.
When this land enters, exile target player's graveyard.
{T}: Add {B}.

Drossforge Bridge

This land enters tapped.
Indestructible
{T}: Add {B} or {R}.

Goldmire Bridge

This land enters tapped.
Indestructible
{T}: Add {W} or {B}.

Great Furnace

Rustvale Bridge

This land enters tapped.
Indestructible
{T}: Add {R} or {W}.

Vault of Whispers

Glint Hawk

Flying
When this creature enters, sacrifice it unless you return an artifact you control to its owner's hand.

Kor Skyfisher

Flying
When this creature enters, return a permanent you control to its owner's hand.

Refurbished Familiar

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card.

Seeker of the Way

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast a noncreature spell, this creature gains lifelink until end of turn.

Fanatical Offering

As an additional cost to cast this spell, sacrifice an artifact or creature.
Draw two cards and create a Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Galvanic Blast

Galvanic Blast deals 2 damage to any target.
Metalcraft — Galvanic Blast deals 4 damage instead if you control three or more artifacts.

Lightning Bolt

Toralf's Disciple

Thayan Evokers

Indris, the Hydrostatic Surge

Lightning Bolt deals 3 damage to any target.

Thraben Charm

Choose one —
• Thraben Charm deals damage equal to twice the number of creatures you control to target creature.
• Destroy target enchantment.
• Exile any number of target players' graveyards.

Experimental Synthesizer

Samurai

When this artifact enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
{2}{R}, Sacrifice this artifact: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Lembas

When this artifact enters, scry 1, then draw a card.
{2}, {T}, Sacrifice this artifact: You gain 3 life.
When this artifact is put into a graveyard from the battlefield, its owner shuffles it into their library.

Navigator's Compass

When this artifact enters, you gain 3 life.
{T}: Until end of turn, target land you control becomes the basic land type of your choice in addition to its other types.

Accursed Marauder

When this creature enters, each player sacrifices a nontoken creature of their choice.

Cast into the Fire

Choose one —
• Cast into the Fire deals 1 damage to each of up to two target creatures.
• Exile target artifact.

Castigate

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Electrickery

Electrickery deals 1 damage to target creature you don't control.
Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Krark-Clan Shaman

Sacrifice an artifact: This creature deals 1 damage to each creature without flying.

Last Rites

Discard any number of cards. Target player reveals their hand, then you choose a nonland card from it for each card discarded this way. That player discards those cards.

Red Elemental Blast

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

Manasources	Probability
1	94.18%
2	72.06%
3	38.88%
4	13.47%
5	2.77%
6	0.30%
7	0.01%

Color Pip	Probability
	80.94%
	70.02%
	70.02%
	0.00%
	0.00%
	0.00%

Mardu Aggro

Lands (19)

Creatures (15)

Instants (14)

Artifacts (12)

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