Phyrexian Dreadnought

Trample
When this creature enters, sacrifice it unless you sacrifice any number of creatures with total power 12 or greater.

Chain of Vapor

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Counterspell

Gush

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Draw two cards.

Impulse

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Misdirection

You may exile a blue card from your hand rather than pay this spell's mana cost.
Change the target of target spell with a single target.

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

Stifle

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Snow-Covered Island

Portent

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.

Essence Flare

Enchant creature
Enchanted creature gets +2/+0.
At the beginning of the upkeep of enchanted creature's controller, put a -0/-1 counter on that creature.

Hydroblast

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

Powder Keg

At the beginning of your upkeep, you may put a fuse counter on this artifact.
{T}, Sacrifice this artifact: Destroy each artifact and creature with mana value equal to the number of fuse counters on this artifact.

Manasources	Probability
1	97.52%
2	83.92%
3	55.03%
4	24.22%
5	6.44%
6	0.91%
7	0.05%

Color Pip	Probability
	95.82%
	27.84%
	0.00%
	0.00%
	0.00%
	0.00%

U/W Stiflenought

Creatures (4)

Instants (21)

Lands (18)

Sorceries (4)

Sideboard (10)

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