Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Fume Spitter

Sacrifice Fume Spitter: Put a -1/-1 counter on target creature.

Blood Pet

Reckoner's Bargain

As an additional cost to cast this spell, sacrifice an artifact or creature.
You gain life equal to the sacrificed permanent's mana value. Draw two cards.

Sulfurous Mire

({T}: Add {B} or {R}.)
Sulfurous Mire enters tapped.

Snuff Out

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost.
Destroy target nonblack creature. It can't be regenerated.

Bone Picker

This spell costs {3} less to cast if a creature died this turn.
Flying, deathtouch

Skred

Skred deals damage to target creature equal to the number of snow permanents you control.

Goblin Chirurgeon

Sacrifice a Goblin: Regenerate target creature.

Snow-Covered Swamp

Sultai Scavenger

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Flying

Village Rites

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Snow-Covered Mountain

Writhing Necromass

This spell costs {1} less to cast for each creature card in your graveyard.
Deathtouch