Ghostfire Blade

Equipped creature gets +2/+2. Equip {3} Ghostfire Blade's equip ability costs {2} less to activate if it targets a colorless creature.

Hangarback Walker

Hangarback Walker enters the battlefield with X +1/+1 counters on it. When Hangarback Walker dies, put a 1/1 colorless Thopter artifact creature token with flying onto the battlefield for each +1/+1 counter on Hangarback Walker.{1}, {T}: Put a +1/+1 counter on Hangarback Walker.

Bloodstained Mire

Flooded Strand

Polluted Delta

Blight Herder

Fathom Feeder

Horribly Awry

Ruination Guide

Salvage Drone

Sludge Crawler

Sunken Hollow

Transgress the Mind

Ulamog's Nullifier

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)