: Add for each creature you control.

(: Add .)

At the beginning of the end step, if you control no creatures, sacrifice this land.
: Add one mana of any color.

(: Add .)

(: Add .)

: Add .
, : Shivan Gorge deals 1 damage to each opponent.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

(: Add .)

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

(: Add .)

: Add for each enchantment you control.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

, Sacrifice a permanent: You gain 1 life.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

: Add .
Cycling (, Discard this card: Draw a card.)

: Add for each artifact you control.

This land enters tapped.
: Add .
Cycling (, Discard this card: Draw a card.)

: Add .
, Sacrifice a creature: Add .

Enchant Swamp
When enchanted land becomes tapped, destroy it.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

When an opponent controls a creature with power 4 or greater, if this permanent is an enchantment, it becomes a 4/4 Beast creature.

Heat Ray deals X damage to target creature.

When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample.

Until end of turn, lands you control gain "Sacrifice this land: Add ."

, , Sacrifice this creature: Destroy target enchantment.

: Prevent all combat damage that would be dealt this turn by target attacking creature with flying.

Shower of Sparks deals 1 damage to target creature and 1 damage to target player or planeswalker.

Each player returns a creature they control to its owner's hand.

X target blocked creatures assign their combat damage this turn as though they weren't blocked.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

First strike

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

, : Untap target artifact.

All creatures are black.

Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.

Whenever this creature deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield.

Destroy each artifact with mana value X or less.