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.

Carrion Thrash

When Carrion Thrash dies, you may pay . If you do, return another target creature card from your graveyard to your hand.

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.

Flameblast Dragon

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

Goblin Assault

At the beginning of your upkeep, create a 1/1 red Goblin creature token with haste.
Goblin creatures attack each combat if able.

Sprouting Thrinax

When Sprouting Thrinax dies, create three 1/1 green Saproling creature tokens.

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.

Cold-Eyed Selkie

Islandwalk (This creature can’t be blocked as long as defending player controls an Island.)
Whenever Cold-Eyed Selkie deals combat damage to a player, you may draw that many cards.

Clout of the Dominus

Enchant creature
As long as enchanted creature is blue, it gets +1/+1 and has shroud. (It can’t be the target of spells or abilities.)
As long as enchanted creature is red, it gets +1/+1 and has haste.