Chalice of the Void [Kaladesh Inventions] Aether Revolt you may sacrifice an artifact

you may sacrifice an artifact

where X is the number of times the letter of your choice appears in that creature's name

Star of Extinction deals 20 damage to each creature and each planeswalker

Discard three cards: Exile Nezahal

Set: Ixalan Prerelease Promos Type: Artifact — Equipment Rarity: Rare Cost: {2} When Dowsing Dagger enters the battlefield

Chalice of the Void [Kaladesh Inventions] Aether Revolt you may sacrifice an artifactSet: 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.