Fling

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Consulate Skygate

Defender
Reach (This creature can block creatures with flying.)

Rite of Flame

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.

Steel Wall

Soul's Fire

Target creature you control deals damage equal to its power to any target.

Shield Sphere

Defender
Whenever Shield Sphere blocks, put a -0/-1 counter on it.

Faithless Looting

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Chromatic Star

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color.
When Chromatic Star is put into a graveyard from the battlefield, draw a card.

Simian Spirit Guide

Exile Simian Spirit Guide from your hand: Add {R}.

Glyph of Destruction

Target blocking Wall you control gets +10/+0 until end of combat. Prevent all damage that would be dealt to it this turn. Destroy it at the beginning of the next end step.

Cinder Wall

Defender
When Cinder Wall blocks, destroy it at end of combat.

Tainted Strike

Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)