Thoughtlace [Unlimited Edition] IDW Comics 2012 Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it

Then if there are four or more charge counters on it

Set: From the Vault: Legends Type: Legendary Creature — Elemental Rarity: Mythic Cost: {2}{G} You don't lose unspent green mana as steps and phases end

Set: Guilds of Ravnica Prerelease Promos Type: Creature — Elemental Rarity: Rare Cost: {1}{R} Whenever you cast a red spell

where X is the number of colors among those creatures

Thoughtlace [Unlimited Edition] IDW Comics 2012 Set: Kaladesh Inventions Type: ArtifactSet: Unlimited Edition Type: Instant Rarity: Rare Cost: {U} Target spell or permanent becomes blue. (Mana symbols on that permanent remain unchanged.)