Koskun Falls [Homelands] World Championship Promos Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from red and from blue

Set: Kamigawa: Neon Dynasty Type: Legendary Planeswalker — Kaito Rarity: Mythic Cost: {1}{U}{B} At the beginning of your end step

you get {E}{E}{E}{E} (four energy counters)

This explains why the goblins remain unaffected

As long as you have 0 or less life

Koskun Falls [Homelands] World Championship Promos Set: Kaladesh Inventions Type: ArtifactSet: Homelands Type: World Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.