Chalice of the Void [Kaladesh Inventions] Land the war between Urza and

the war between Urza and Mishra made Dominaria itself a casualty of war

it's sacrificed when it enters the battlefield

Set: The Dark Type: Enchantment Rarity: Rare Cost: {B}{B}{B} At the beginning of your upkeep

This effect doesn't remove White Ward

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {2}{G} Exile a creature you control: Add X mana of any one color

Chalice of the Void [Kaladesh Inventions] Land the war between Urza andSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void, counter that spell.