Scars of Mirrodin Promos

Scars of Mirrodin Promos contains 5 cards.
Released: 2010-09-30
Base set size: 5 cards.
Tempered Steel

Tempered Steel {1}{W}{W}

Artifact creatures you control get +2/+2.

Memoricide {3}{B}

Choose a nonland card name. Search target player's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.
"You claim wisdom, yet I see nothing in here but tawdry wishes."

Memnite {0}

Artifact Creature - Construct
Reminders of Memnarch's reign still skirr across Mirrodin, reminiscent of his form if not his power.
Steel Hellkite

Steel Hellkite {6}

Artifact Creature - Dragon
{2}: Steel Hellkite gets +1/+0 until end of turn.
{X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.
Wurmcoil Engine

Wurmcoil Engine {6}

Artifact Creature - Phyrexian Wurm
Deathtouch, lifelink
When Wurmcoil Engine dies, create a 3/3 colorless Phyrexian Wurm artifact creature token with deathtouch and a 3/3 colorless Phyrexian Wurm artifact creature token with lifelink.