Myr Sire

When Myr Sire dies, create a 1/1 colorless Myr artifact creature token.

Necroskitter

Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Spinebiter

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
You may have Spinebiter assign its combat damage as though it weren’t blocked.

Pistus Strike

Destroy target creature with flying. Its controller gets a poison counter.

Myr Sire

When Myr Sire dies, create a 1/1 colorless Myr artifact creature token.

Spread the Sickness

Destroy target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Hellkite Charger

Flying, haste
Whenever Hellkite Charger attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Flameblast Dragon

Flying
Whenever Flameblast Dragon attacks, you may pay . If you do, Flameblast Dragon deals X damage to any target.

Searing Blaze

Searing Blaze deals 1 damage to target player or planeswalker and 1 damage to target creature that player or that planeswalker’s controller controls.
Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player or planeswalker and 3 damage to that creature instead.

Steel Hellkite

Flying
: Steel Hellkite gets +1/+0 until end of turn.
: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.

Jund Panorama

: Add .
, , Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card and put it onto the battlefield tapped. Then shuffle your library.

Rupture Spire

Rupture Spire enters the battlefield tapped.
When Rupture Spire enters the battlefield, sacrifice it unless you pay .
: Add one mana of any color.

Engulfing Slagwurm

Whenever Engulfing Slagwurm blocks or becomes blocked by a creature, destroy that creature. You gain life equal to that creature’s toughness.

Steel Hellkite

Flying
: Steel Hellkite gets +1/+0 until end of turn.
: Destroy each nonland permanent with converted mana cost X whose controller was dealt combat damage by Steel Hellkite this turn. Activate this ability only once each turn.

Necrotic Plague

Enchant creature
Enchanted creature has “At the beginning of your upkeep, sacrifice this creature.”
When enchanted creature dies, its controller chooses target creature one of their opponents controls. Return Necrotic Plague from its owner’s graveyard to the battlefield attached to that creature.

Combust

This spell can’t be countered.
Combust deals 5 damage to target white or blue creature. The damage can’t be prevented.

Liliana’s Specter

Flying
When Liliana’s Specter enters the battlefield, each opponent discards a card.

Hellkite Charger

Flying, haste
Whenever Hellkite Charger attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Flameblast Dragon

Flying
Whenever Flameblast Dragon attacks, you may pay . If you do, Flameblast Dragon deals X damage to any target.

Emrakul’s Hatcher

When Emrakul’s Hatcher enters the battlefield, create three 0/1 colorless Eldrazi Spawn creature tokens. They have “Sacrifice this creature: Add .”