Chaos Sandstorm

Enchantment
When you gain control of Chaos Sandstorm, choose a player at random for each other permanent you control. Each player gains control of each permanent for which he or she was the chosen player
At the beginning of each player's upkeep, that player gains control of Chaos Sandstorm.

Erratic Efreet –
Creature – Efreet (R)
Flying, haste, trample
At end of turn, if Erratic Efreet entered the battlefield this turn, target opponent gains control of it.
"Be careful what you wish for."
6/6

Trade Forces -
Enchantment
Whenever a creature enters the battlefield, its controller exchange control of it with a creature he or she does not control.
At the beginning of each player's end step, if a creature did not enter the battlefield under his or her control this turn, ~ deals 4 to him or her.
Not quite what Spikus had in mind when he told his general to trade their forces with the enemy.

Pyroduplication
Enchantment
Whenever a non token creature enters the battlefield under your control you may pay . If you do put a copy of that creature onto the battlefield with haste and “Sacrifice this creature at end of turn”.
The heat will heat you seeing double.

Let's start the voting!







I vote for TP.

TP

Parad

Confused.

TP.

Parad.

TP: 3
Parad: 2
Confused: 1.5

And TP takes it! Pyroduplication has been added to the spoiler.

Please pick a rarity and write a criterion for the next round.

Slots Left:

Rares: 3
Mythics: 1

Eater of Histories

Creature - Elemental
Sacrifice an artifact: put a +1/+1 counter on Eater of Histories. If that artifact was a relic, Eater of Histories gains your choice of trample, first strike, or haste. If Eater of Histories already has trample, first strike, and haste it gains your choice of double strike, indestructible, or deathtouch instead.
Anjomeddon's minions stalk across Illpyre, hunting down and consuming anything that suggests the Starstill hadn't always been.
3/3

Viashino Tinkerer |
Creature - Viashino Artificer (R)
, Sacrifice an artifact: Search your library for an artifact card with converted mana cost equal to the sacrifice artifacts converted mana cost and put it onto the battlefield. Then shuffle your library.
"That thing is junk. This thing however..."
2/2

Viashino Blitzrunner –
Creature – Viashino Berserker (R)
Haste
Sacrifice an artifact: Instant and sorcery spells you cast cost less to cast this turn.
2/2

Munnox of a Thousand Mirrors
Legendary Creature - Human Wizard
, Sacrifice an artifact: Discard your hand, then draw a card for each artifact you control.
Every broken shard is a change in perspective.
2/2

Vixixil, Sharpnel Smith -
Legendary Creature - Viashino Artificer
, Exile three artifact cards from your graveyard: Put a relic artifact token onto the battlefield.
, , Sacrifice an artifact: ~ deals 3 damage to target creature or player.
3/2

Viashino Scavenger
Creature - Viashino Warrior
As an additional cost to play Viashino Scavenger you may sacrifice any number of artifacts.
Viashino Scavenger costs less for each artifact sacrificed in this way.
Viashino Scavenger enters the battlefield with X +1/+1 counter on it where X is the number of artifacts sacrificed in this way.
Haste
4/4

@Mown: You can make it multicolor if you want. The rules allow that.

I suppose that is right.
My card apparently doesn't fit the criteria, now that I look at it.

I need to consider whether this is something I care about, or if I think my card is still in the spirit of the criteria.
Edit: Fits now.