Chalice of the Void (Timeshifted) [Time Spiral Remastered]Set: Time Spiral Remastered Type: Artifact Rarity: Special 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.

Guild rules

soothing and nourishing

Yet they must also know when to push their own over-extended civilization into decline and ride a new one to victory

You can only return to the submarine once per round

players will choose to draw a card

you may move all counters from The Ozolith onto target creature

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} Lands you control have "{T}: Add one mana of any color

and a variety of other cards

then proliferate again

Set: From the Vault: Exiled Type: Artifact Rarity: Mythic Cost: {3} As long as Trinisphere is untapped

Except of course for the matter of the Dark Rift

Set: Diamond & Pearl: Black Star Promos Type: Lightning Rarity: Black Star Promo Retreat cost: Colorless