Charging Slateback can't block.
Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

: Tap all lands you control. Chimeric Idol becomes a 3/3 Turtle artifact creature until end of turn.

Cinder Storm deals 7 damage to any target.

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

Whenever City of Brass becomes tapped, it deals 1 damage to you.
: Add one mana of any color.

Enchant creature you control
When Cocoon enters the battlefield, tap enchanted creature and put three pupa counters on Cocoon.
Enchanted creature doesn't untap during your untap step if Cocoon has a pupa counter on it.
At the beginning of your upkeep, remove a pupa counter from Cocoon. If you can't, sacrifice it, put a +1/+1 counter on enchanted creature, and that creature gains flying.

Sacrifice Composite Golem: Add .

, , Sacrifice a creature: Search your library for a Zombie card and a Swamp card, reveal them, and put them into your hand. Then shuffle your library.

Enchant artifact
At the beginning of the upkeep of enchanted artifact's controller, Curse Artifact deals 2 damage to that player unless they sacrifice that artifact.

At the beginning of your upkeep, put a wind counter on Cyclone, then sacrifice Cyclone unless you pay for each wind counter on it. If you pay, Cyclone deals damage equal to the number of wind counters on it to each creature and each player.

When Cyclopean Giant dies, target land becomes a Swamp. Exile Cyclopean Giant.

Sacrifice a Forest: You gain 3 life.

, Sacrifice Dark Sphere: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

Death Spark deals 1 damage to any target.
At the beginning of your upkeep, if Death Spark is in your graveyard with a creature card directly above it, you may pay . If you do, return Death Spark to your hand.

When Deathcurse Ogre dies, each player loses 3 life.

Trample
At the beginning of your upkeep, sacrifice Deep Spawn unless you mill two cards.
: Deep Spawn gains shroud until end of turn and doesn't untap during your next untap step. Tap Deep Spawn. (A creature with shroud can't be the target of spells or abilities.)

Each spell costs more to cast except during its controller's turn.

, Sacrifice Delif's Cone: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.

, : This turn, when target creature you control attacks and isn't blocked, it assigns no combat damage this turn and you put a cube counter on Delif's Cube.
, Remove a cube counter from Delif's Cube: Regenerate target creature.

Kicker (You may pay an additional as you cast this spell.)
Destroy target artifact or enchantment. If this spell was kicked, draw two cards.